/* ============================================================
   BeyondDrive — Redesigned UI
   Theme: Deep navy + electric teal + warm amber accents
   Font: Syne (display) + DM Sans (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
    --navy-950: #05060f; --navy-900: #0b0f1e; --navy-800: #111827;
    --navy-700: #1a2338; --navy-600: #243049; --navy-500: #2f3f5c;
    --navy-400: #4a5d7a; --navy-300: #6d7f9e; --navy-200: #9aaec9;
    --navy-100: #c8d6e8; --navy-50: #edf2f8;

    --teal-600: #0d9488; --teal-500: #14b8a6; --teal-400: #2dd4bf;
    --teal-300: #5eead4; --teal-100: #ccfbf1; --teal-50: #f0fdfa;

    --amber-600: #d97706; --amber-500: #f59e0b; --amber-400: #fbbf24;
    --amber-300: #fcd34d; --amber-100: #fef3c7; --amber-50: #fffbeb;

    --rose-600: #e11d48; --rose-500: #f43f5e; --rose-100: #ffe4e6;
    --green-500: #22c55e; --green-100: #dcfce7;

    /* Purple accent palette */
    --purple-700: #6d28d9;
    --purple-600: #7c3aed;
    --purple-500: #8b5cf6;
    --purple-400: #a78bfa;
    --purple-100: #ede9fe;
    --purple-50:  #f5f3ff;
    --purple-grad: linear-gradient(135deg, #7c3aed, #6366f1);

    --surface-page:    #f0f2f8;
    --surface-card:    #ffffff;
    --surface-raised:  #f8f9fc;
    --surface-input:   #f1f3f9;
    --surface-sidebar: #0f172a;

    --text-primary:   #0f172a;
    --text-secondary: #475569;
    --text-muted:     #94a3b8;
    --text-on-dark:   #e2e8f0;
    --text-on-dark-muted: #64748b;

    --border-subtle:  rgba(148,163,184,0.15);
    --border-default: rgba(148,163,184,0.25);
    --border-strong:  rgba(71,85,105,0.30);

    --shadow-xs:   0 1px 3px rgba(15,23,42,0.06);
    --shadow-sm:   0 2px 8px rgba(15,23,42,0.07);
    --shadow-md:   0 4px 16px rgba(15,23,42,0.09);
    --shadow-lg:   0 8px 32px rgba(15,23,42,0.12);
    --shadow-xl:   0 16px 48px rgba(15,23,42,0.16);
    --shadow-teal: 0 4px 20px rgba(20,184,166,0.30);
    --shadow-amber:0 4px 20px rgba(245,158,11,0.28);
    --shadow-purple:0 4px 20px rgba(124,58,237,0.25);

    --sp-1:.25rem; --sp-2:.5rem;  --sp-3:.75rem; --sp-4:1rem;
    --sp-5:1.25rem;--sp-6:1.5rem; --sp-8:2rem;   --sp-10:2.5rem; --sp-12:3rem;

    --r-sm:.375rem; --r-md:.5rem; --r-lg:.75rem; --r-xl:1rem;
    --r-2xl:1.5rem; --r-3xl:2rem; --r-full:9999px;

    --font-display:'Syne',sans-serif;
    --font-body:'DM Sans',sans-serif;

    --t-fast:150ms cubic-bezier(0.4,0,0.2,1);
    --t-normal:280ms cubic-bezier(0.4,0,0.2,1);
    --t-slow:450ms cubic-bezier(0.4,0,0.2,1);

    --sidebar-width:260px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
* { max-width:100%; }
html { scroll-behavior:smooth; }

body {
    font-family:var(--font-body);
    background:var(--surface-page);
    color:var(--text-primary);
    line-height:1.6; overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    min-height:100vh;
}

/* ── Layout ── */
.container {
    display:grid;
    grid-template-columns:var(--sidebar-width) 1fr;
    width:100%; height:100vh;
    position:relative; overflow:hidden;
}

/* ── Mobile Toggle ── */
.mobile-menu-toggle {
    display:none; position:fixed;
    top:var(--sp-4); left:var(--sp-4); z-index:1001;
    background:var(--navy-800);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:var(--r-lg); padding:var(--sp-3);
    cursor:pointer; box-shadow:var(--shadow-lg);
    transition:all var(--t-fast);
}
.mobile-menu-toggle:hover{background:var(--navy-700);transform:scale(1.05);}
.mobile-menu-toggle svg{width:22px;height:22px;stroke:#e2e8f0;display:block;}

/* ── Sidebar ── */
.sidebar {
    background:var(--surface-sidebar);
    display:flex; flex-direction:column;
    height:100vh; overflow-y:auto; overflow-x:hidden;
    padding:var(--sp-6) var(--sp-5);
    position:relative; z-index:100;
    border-right:1px solid rgba(255,255,255,0.05);
    transition:transform var(--t-normal);
}
.sidebar::before {
    content:''; position:absolute; top:0;left:0;right:0;height:200px;
    background:radial-gradient(ellipse at 30% 0%,rgba(20,184,166,0.18) 0%,transparent 70%);
    pointer-events:none;
}

.sidebar-header{margin-bottom:var(--sp-8);position:relative;}
.logo-container{display:flex;align-items:center;gap:var(--sp-3);}

.logo-icon{
    width:44px;height:44px;
    background:linear-gradient(135deg,var(--teal-500),var(--teal-600));
    border-radius:var(--r-xl);
    display:flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-teal);flex-shrink:0;
}
.logo-icon svg{width:22px;height:22px;stroke:white;}

.logo-text{display:flex;flex-direction:column;}
.brand-name{font-family:var(--font-display);font-size:1.35rem;font-weight:800;color:#f1f5f9;line-height:1.1;letter-spacing:-0.02em;}
.brand-subtitle{font-size:0.7rem;font-weight:600;color:var(--teal-400);letter-spacing:0.12em;text-transform:uppercase;}

.new-button{
    width:100%; padding:var(--sp-3) var(--sp-5);
    background:linear-gradient(135deg,var(--teal-500),var(--teal-600));
    border:none;border-radius:var(--r-xl);
    color:white;font-family:var(--font-body);font-weight:600;font-size:0.9rem;
    cursor:pointer;transition:all var(--t-fast);
    box-shadow:var(--shadow-teal);margin-bottom:var(--sp-6);
    display:flex;align-items:center;gap:var(--sp-3);
}
.new-button:hover{background:linear-gradient(135deg,var(--teal-400),var(--teal-500));transform:translateY(-2px);box-shadow:0 6px 24px rgba(20,184,166,.4);}
.new-button:active{transform:translateY(0);}
.button-icon{width:18px;height:18px;display:flex;align-items:center;}
.button-icon svg{width:100%;height:100%;}

.new-upload{
    position:absolute;background:var(--surface-card);
    border:1px solid var(--border-default);border-radius:var(--r-xl);
    box-shadow:var(--shadow-xl);width:250px;top:120px;left:var(--sp-5);
    z-index:-1;opacity:0;transform:translateY(-8px);transition:all var(--t-normal);overflow:hidden;
}
.upload-option{padding:var(--sp-3) var(--sp-5);display:flex;align-items:center;gap:var(--sp-3);cursor:pointer;transition:all var(--t-fast);font-size:.875rem;font-weight:500;color:var(--text-secondary);}
.upload-option:hover{background:var(--teal-50);color:var(--teal-600);}
.option-icon{width:18px;height:18px;display:flex;align-items:center;}
.option-icon svg{width:100%;height:100%;stroke:currentColor;}
.divider{height:1px;background:var(--border-subtle);margin:var(--sp-1) var(--sp-4);}

.sidebar-menu{flex:1;display:flex;flex-direction:column;gap:2px;}
.menu-section-label{font-size:.65rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-on-dark-muted);padding:var(--sp-4) var(--sp-3) var(--sp-2);}

.menu-item{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3);border-radius:var(--r-lg);text-decoration:none;color:rgba(226,232,240,.65);font-weight:500;font-size:.875rem;transition:all var(--t-fast);position:relative;}
.menu-item:hover{background:rgba(255,255,255,.06);color:#e2e8f0;}
.menu-item.selected-item{background:rgba(20,184,166,.14);color:var(--teal-300);font-weight:600;}
.menu-item.selected-item::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:60%;background:var(--teal-400);border-radius:0 var(--r-full) var(--r-full) 0;}
.menu-icon{width:18px;height:18px;display:flex;align-items:center;flex-shrink:0;}
.menu-icon svg{width:100%;height:100%;stroke:currentColor;}

.sidebar-footer{margin-top:var(--sp-6);}
.storage-stats-card{background:rgba(13,148,136,.10);border:1px solid rgba(20,184,166,.22);border-radius:var(--r-xl);padding:var(--sp-4);}
.storage-stats-header{display:flex;align-items:center;gap:var(--sp-2);color:var(--teal-300);font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:var(--sp-3);}
.storage-stats-header svg{flex-shrink:0;}
.storage-stats-header span:first-of-type{flex:1;}
.storage-refresh{cursor:pointer;font-size:1rem;opacity:.6;transition:transform var(--t-fast),opacity var(--t-fast);}
.storage-refresh:hover{opacity:1;transform:rotate(180deg);}
.storage-total{font-size:1.05rem;font-weight:700;color:#e2e8f0;margin-bottom:var(--sp-3);}
.storage-bars{display:flex;height:6px;border-radius:var(--r-full);overflow:hidden;gap:1px;margin-bottom:var(--sp-3);}
.storage-bar-seg{height:100%;transition:width .4s ease;}
.storage-legend{display:flex;flex-direction:column;gap:4px;}
.storage-legend-item{display:flex;align-items:center;gap:var(--sp-2);font-size:.72rem;color:rgba(226,232,240,.7);}
.storage-legend-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;}
.storage-legend-name{flex:1;}
.storage-legend-val{opacity:.75;}

/* ── Premium Features FAB ── */
.premium-features{position:fixed;bottom:var(--sp-6);right:var(--sp-6);z-index:1000;}
.feature-toggle{background:linear-gradient(135deg,var(--amber-500),var(--amber-600));color:white;border:none;border-radius:var(--r-full);width:56px;height:56px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-amber);transition:all var(--t-fast);}
.feature-toggle:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(245,158,11,.45);}
.feature-toggle svg{width:22px;height:22px;}
.features-panel{position:absolute;bottom:72px;right:0;background:var(--surface-card);border-radius:var(--r-2xl);box-shadow:var(--shadow-xl);border:1px solid var(--border-default);padding:var(--sp-5);min-width:280px;transform:translateY(16px);opacity:0;pointer-events:none;transition:all var(--t-normal);}
.features-panel.show{transform:translateY(0);opacity:1;pointer-events:all;}
.features-title{display:flex;align-items:center;gap:var(--sp-2);font-family:var(--font-display);font-weight:700;font-size:.95rem;color:var(--text-primary);margin-bottom:var(--sp-4);}
.features-title svg{width:18px;height:18px;stroke:var(--amber-500);}
.feature-item{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-3) 0;border-bottom:1px solid var(--border-subtle);}
.feature-item:last-child{border-bottom:none;}
.feature-info{display:flex;align-items:center;gap:var(--sp-3);}
.feature-icon{width:34px;height:34px;background:var(--surface-raised);border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center;}
.feature-icon svg{width:16px;height:16px;stroke:var(--text-secondary);}
.feature-text h4{font-size:.85rem;font-weight:600;color:var(--text-primary);}
.feature-text p{font-size:.75rem;color:var(--text-muted);}
.feature-toggle-switch{width:40px;height:22px;background:var(--border-default);border-radius:var(--r-full);cursor:pointer;position:relative;transition:background var(--t-fast);}
.feature-toggle-switch::after{content:'';position:absolute;width:16px;height:16px;background:white;border-radius:var(--r-full);top:3px;left:3px;transition:transform var(--t-fast);box-shadow:var(--shadow-xs);}
.feature-toggle-switch.active{background:var(--teal-500);}
.feature-toggle-switch.active::after{transform:translateX(18px);}

/* ── Quick Actions ── */
.quick-actions{position:fixed;top:50%;right:var(--sp-4);transform:translateY(-50%);display:flex;flex-direction:column;gap:var(--sp-2);z-index:100;}
.quick-action{width:40px;height:40px;background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--r-xl);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--t-fast);box-shadow:var(--shadow-sm);}
.quick-action:hover{background:var(--teal-50);border-color:var(--teal-400);transform:translateX(-4px);box-shadow:var(--shadow-md);}
.quick-action svg{width:16px;height:16px;stroke:var(--text-secondary);}
.quick-action:hover svg{stroke:var(--teal-600);}

/* ── BG blur ── */
.bg-blur{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(5,6,15,.55);backdrop-filter:blur(6px);z-index:-1;opacity:0;transition:opacity var(--t-normal);}

/* ── Main Content ── */
.main-content{display:flex;flex-direction:column;height:100vh;overflow:hidden;background:var(--surface-page);padding:8px 12px 4px;}

/* ── Topbar (row 1) ── */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;flex-shrink:0;padding:2px 0;}
.topbar-left{display:flex;flex-direction:column;gap:1px;min-width:0;flex:1;}
.topbar-title{font-family:var(--font-display);font-size:1.1rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em;line-height:1.2;}
.topbar-breadcrumb-inline{font-size:.7rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.search-icon-btn{width:36px;height:36px;border:none;border-radius:50%;background:var(--surface-card);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--t-fast);flex-shrink:0;}
.search-icon-btn:hover{background:var(--purple-50);box-shadow:var(--shadow-purple);}
.search-icon-btn svg{width:16px;height:16px;stroke:var(--text-secondary);}

/* ── Collapsible search ── */
.search-container{overflow:hidden;max-height:60px;transition:max-height .2s ease,margin .2s ease;margin-bottom:6px;flex-shrink:0;}
.search-container.collapsed{max-height:0;margin-bottom:0;}

.header{display:flex;align-items:center;gap:var(--sp-2);margin-bottom:var(--sp-2);flex-shrink:0;}
.search-container{flex:1;min-width:0;}

.search-bar{position:relative;background:var(--surface-card);border:1.5px solid var(--border-default);border-radius:var(--r-xl);padding:var(--sp-2) var(--sp-3);display:flex;align-items:center;gap:var(--sp-2);transition:all var(--t-fast);box-shadow:var(--shadow-xs);}
.search-bar:focus-within{border-color:var(--teal-400);box-shadow:0 0 0 3px rgba(20,184,166,.12);}
.search-icon{width:18px;height:18px;color:var(--text-muted);flex-shrink:0;}
.search-icon svg{width:100%;height:100%;stroke:currentColor;}
.search-bar form{flex:1;min-width:0;}
.search-bar input{width:100%;border:none;outline:none;background:transparent;font-family:var(--font-body);font-size:.925rem;color:var(--text-primary);}
.search-bar input::placeholder{color:var(--text-muted);}

.search-suggestions{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--r-xl);box-shadow:var(--shadow-xl);z-index:100;max-height:220px;overflow-y:auto;display:none;}
.search-suggestion{padding:var(--sp-3) var(--sp-4);cursor:pointer;transition:all var(--t-fast);display:flex;align-items:center;gap:var(--sp-2);font-size:.875rem;}
.search-suggestion:hover{background:var(--teal-50);}
.suggestion-icon{width:14px;height:14px;stroke:var(--text-muted);}
.suggestion-text{flex:1;color:var(--text-secondary);}
.suggestion-type{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;}

.sort-controls{display:flex;align-items:center;gap:var(--sp-1);flex-shrink:0;}
.view-toggle{display:flex;background:var(--surface-raised);border:1px solid var(--border-default);border-radius:var(--r-lg);padding:2px;}
.view-btn{padding:var(--sp-2);border:none;background:transparent;border-radius:var(--r-md);cursor:pointer;transition:all var(--t-fast);display:flex;align-items:center;justify-content:center;}
.view-btn.active{background:var(--surface-card);box-shadow:var(--shadow-xs);}
.view-btn svg{width:15px;height:15px;stroke:var(--text-muted);}
.view-btn.active svg{stroke:var(--teal-600);}

.sort-select{padding:4px var(--sp-2);border:1.5px solid var(--border-default);border-radius:var(--r-lg);background:var(--surface-card);font-family:var(--font-body);font-size:.8rem;color:var(--text-secondary);cursor:pointer;transition:all var(--t-fast);}
.sort-select:focus{outline:none;border-color:var(--teal-400);}
.sort-order-btn{width:30px;height:30px;border:1.5px solid var(--border-default);border-radius:var(--r-lg);background:var(--surface-card);cursor:pointer;transition:all var(--t-fast);display:flex;align-items:center;justify-content:center;}
.sort-order-btn:hover{border-color:var(--teal-400);background:var(--teal-50);}
.sort-order-btn svg{width:14px;height:14px;stroke:var(--text-secondary);transition:transform var(--t-fast);}
.sort-order-btn[data-order="asc"] svg{transform:rotate(180deg);}

/* ── Breadcrumb ── */
.breadcrumb-container{margin-bottom:6px;flex-shrink:0;}
.breadcrumb{display:flex;align-items:center;gap:4px;padding:4px 10px;background:var(--surface-card);border-radius:10px;font-size:.72rem;overflow-x:auto;scrollbar-width:none;box-shadow:var(--shadow-xs);}
.breadcrumb::-webkit-scrollbar{display:none;}
.breadcrumb-item{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-1) var(--sp-2);border-radius:var(--r-md);cursor:pointer;transition:all var(--t-fast);white-space:nowrap;color:var(--text-muted);font-weight:500;}
.breadcrumb-item:hover{background:var(--surface-raised);color:var(--text-secondary);}
.breadcrumb-item.current{background:rgba(20,184,166,.1);color:var(--teal-600);font-weight:700;cursor:default;}
.breadcrumb-separator{color:var(--border-strong);font-size:.75rem;}

/* ── Stats ── */
/* ── Stat filter cards (row 2) — matches screenshot style ── */
.stats-container{display:flex;flex-direction:row;gap:0;margin-bottom:8px;flex-shrink:0;overflow-x:auto;scrollbar-width:none;background:var(--surface-card);border-radius:14px;box-shadow:var(--shadow-sm);padding:4px 8px;}
.stats-container::-webkit-scrollbar{display:none;}

.stat-filter-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:8px 14px;border-radius:10px;border:none;background:transparent;cursor:pointer;flex-shrink:0;min-width:64px;transition:all .2s ease;font-family:var(--font-body);position:relative;}
.stat-filter-card::after{content:'';position:absolute;bottom:-4px;left:20%;right:20%;height:2.5px;border-radius:2px;background:var(--purple-grad);opacity:0;transition:opacity .2s;}
.stat-filter-card.active::after{opacity:1;}
.stat-filter-card:hover{background:var(--purple-50);}
.sfc-icon{width:22px;height:22px;display:flex;align-items:center;justify-content:center;margin-bottom:1px;}
.sfc-icon svg{width:15px;height:15px;stroke:var(--sc,#94a3b8);transition:stroke .2s;}
.stat-filter-card.active .sfc-icon svg{stroke:var(--sc);}
.sfc-num{font-family:var(--font-display);font-size:.95rem;font-weight:800;color:var(--text-primary);line-height:1;}
.stat-filter-card.active .sfc-num{color:var(--purple-600);}
.sfc-label{font-size:.62rem;font-weight:500;color:var(--text-muted);white-space:nowrap;}
.stat-filter-card.active .sfc-label{color:var(--purple-600);}

/* ── Toolbar (row 3) — matches screenshot ── */
.toolbar{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-shrink:0;}
.toolbar .view-toggle{display:flex;background:var(--surface-card);border:none;border-radius:10px;padding:3px;box-shadow:var(--shadow-sm);gap:2px;}
.toolbar .view-btn{width:32px;height:32px;border:none;background:transparent;border-radius:8px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;}
.toolbar .view-btn.active{background:var(--purple-grad);box-shadow:var(--shadow-purple);}
.toolbar .view-btn svg{width:15px;height:15px;stroke:var(--text-muted);}
.toolbar .view-btn.active svg{stroke:#fff;}
.toolbar .sort-select{flex:1;padding:6px 10px;border:1px solid var(--border-default);border-radius:10px;background:var(--surface-card);font-family:var(--font-body);font-size:.8rem;color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow-xs);}
.toolbar .sort-order-btn{width:36px;height:36px;border:1px solid var(--border-default);border-radius:10px;background:var(--surface-card);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--shadow-xs);}
.toolbar .sort-order-btn svg{width:14px;height:14px;stroke:var(--text-secondary);transition:transform var(--t-fast);}
.toolbar .sort-order-btn[data-order="asc"] svg{transform:rotate(180deg);}

/* Legacy stats-item (keep for backward compat) */
.stats-item{display:none;}

/* ── Bulk Actions ── */
.bulk-actions{position:sticky;top:0;background:var(--amber-50);border:1.5px solid var(--amber-300);border-radius:var(--r-lg);padding:var(--sp-3) var(--sp-4);margin-bottom:var(--sp-3);display:none;align-items:center;justify-content:space-between;z-index:10;flex-shrink:0;}
.bulk-actions.show{display:flex;}
.bulk-info{display:flex;align-items:center;gap:var(--sp-2);color:var(--amber-600);font-weight:600;font-size:.875rem;}
.bulk-info svg{width:16px;height:16px;stroke:currentColor;}
.bulk-buttons{display:flex;gap:var(--sp-2);}
.bulk-btn{padding:var(--sp-2) var(--sp-3);border:none;border-radius:var(--r-md);font-family:var(--font-body);font-size:.8rem;font-weight:600;cursor:pointer;transition:all var(--t-fast);}
.bulk-btn.primary{background:var(--teal-500);color:white;}
.bulk-btn.danger{background:var(--rose-500);color:white;}
.bulk-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);}

/* ── Content Area ── */
.content-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0;}
.content-header{display:none;}

/* ── Directory Container ── */
.directory-container{flex:1;background:transparent;border:none;border-radius:0;box-shadow:none;overflow:hidden;display:flex;flex-direction:column;min-height:0;}
.directory-table{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--surface-card);border-radius:14px;box-shadow:var(--shadow-sm);}
.table-header{display:grid;grid-template-columns:1fr 90px 70px 44px;gap:var(--sp-2);padding:8px 12px;background:var(--surface-card);border-bottom:1px solid var(--border-subtle);font-size:.68rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;flex-shrink:0;border-radius:14px 14px 0 0;}
.header-cell{display:flex;align-items:center;gap:var(--sp-1);}
.header-cell svg{width:11px;height:11px;stroke:currentColor;opacity:.6;}
.table-body{flex:1;overflow-y:auto;overflow-x:hidden;}

/* ── Directory Items ── */
.directory-item{display:grid;grid-template-columns:1fr 90px 70px 44px;gap:var(--sp-2);padding:10px 12px;border-bottom:1px solid var(--border-subtle);transition:background var(--t-fast);cursor:pointer;align-items:center;min-height:44px;background:var(--surface-card);}
.directory-item:first-child{border-radius:14px 14px 0 0;}
.directory-item:last-child{border-bottom:none;border-radius:0 0 14px 14px;}
.directory-item:hover{background:rgba(20,184,166,.04);}
.directory-item:last-child{border-bottom:none;}

.item-name{display:flex;align-items:center;gap:var(--sp-3);min-width:0;}
.item-icon{width:28px;height:28px;border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.item-icon.folder{background:linear-gradient(135deg,var(--amber-400),var(--amber-500));}
.item-icon.file{background:linear-gradient(135deg,var(--navy-300),var(--navy-400));}
.item-icon.video{background:linear-gradient(135deg,#f87171,#e11d48);}
.item-icon.pdf{background:linear-gradient(135deg,var(--amber-400),var(--amber-600));}
.item-icon svg{width:13px;height:13px;stroke:white;}
.item-text{min-width:0;flex:1;}
.item-title{font-weight:600;color:var(--text-primary);font-size:.825rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.3;}
.item-subtitle{font-size:.7rem;color:var(--text-muted);}
.item-size{font-size:.775rem;color:var(--text-muted);font-weight:500;text-align:right;}
.item-duration{display:flex;align-items:center;justify-content:center;}
.duration-badge{background:rgba(20,184,166,.1);color:var(--teal-600);padding:2px 6px;border-radius:var(--r-full);font-size:.65rem;font-weight:700;white-space:nowrap;letter-spacing:.04em;}
.item-actions{display:flex;align-items:center;justify-content:center;}
.more-btn{width:28px;height:28px;border:none;background:transparent;border-radius:var(--r-md);cursor:pointer;transition:all var(--t-fast);display:flex;align-items:center;justify-content:center;}
.more-btn:hover{background:var(--surface-raised);}
.more-btn svg{width:14px;height:14px;stroke:var(--text-muted);}
.selection-checkbox{width:16px;height:16px;accent-color:var(--teal-500);cursor:pointer;}

/* ── More Options ── */
.more-options{position:absolute;background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--r-xl);box-shadow:var(--shadow-xl);z-index:-1;opacity:0;transform:translateY(-8px);transition:all var(--t-normal);min-width:176px;overflow:hidden;}
.more-options-item{padding:var(--sp-3) var(--sp-4);display:flex;align-items:center;gap:var(--sp-3);cursor:pointer;transition:all var(--t-fast);font-size:.875rem;color:var(--text-secondary);}
.more-options-item:hover{background:var(--teal-50);color:var(--teal-700);}
.more-options-item svg{width:15px;height:15px;stroke:currentColor;}

/* ── Grid View ── */
.directory-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--sp-4);padding:var(--sp-4);overflow-y:auto;}
.grid-item{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:var(--r-xl);padding:var(--sp-4);text-align:center;cursor:pointer;transition:all var(--t-fast);}
.grid-item:hover{border-color:var(--teal-300);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.grid-icon{width:48px;height:48px;margin:0 auto var(--sp-3);border-radius:var(--r-xl);display:flex;align-items:center;justify-content:center;}
.grid-icon.folder{background:linear-gradient(135deg,var(--amber-400),var(--amber-500));}
.grid-icon.file{background:linear-gradient(135deg,var(--navy-300),var(--navy-400));}
.grid-icon svg{width:22px;height:22px;stroke:white;}
.grid-title{font-weight:600;color:var(--text-primary);font-size:.8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:var(--sp-1);}
.grid-meta{font-size:.72rem;color:var(--text-muted);}

/* ── Modals ── */
.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:-1;opacity:0;transition:all var(--t-normal);width:min(500px,95vw);max-height:90vh;overflow-y:auto;}
.modal.large{width:min(700px,95vw);}
.modal-content{background:var(--surface-card);border-radius:var(--r-2xl);box-shadow:var(--shadow-xl);border:1px solid var(--border-subtle);overflow:hidden;}
.modal-header{padding:var(--sp-6) var(--sp-6) var(--sp-4);border-bottom:1px solid var(--border-subtle);}
.modal-header h3{font-family:var(--font-display);font-size:1.35rem;font-weight:800;color:var(--text-primary);margin-bottom:var(--sp-1);}
.modal-header p{color:var(--text-muted);font-size:.875rem;}
.modal-body{padding:var(--sp-6);}
.modal-footer{padding:var(--sp-4) var(--sp-6) var(--sp-6);display:flex;gap:var(--sp-3);justify-content:flex-end;}

/* ── Form ── */
.input-group{margin-bottom:var(--sp-5);}
.input-group label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:var(--sp-2);font-size:.875rem;}
.input-group input{width:100%;padding:var(--sp-3) var(--sp-4);border:1.5px solid var(--border-default);border-radius:var(--r-lg);font-family:var(--font-body);font-size:.9rem;background:var(--surface-input);color:var(--text-primary);transition:all var(--t-fast);}
.input-group input:focus{outline:none;border-color:var(--teal-400);background:var(--surface-card);box-shadow:0 0 0 3px rgba(20,184,166,.1);}
.input-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4);}
.checkbox-group{display:flex;align-items:center;gap:var(--sp-3);margin-bottom:var(--sp-5);}
.checkbox-group input[type="checkbox"]{width:17px;height:17px;accent-color:var(--teal-500);}
.checkbox-group label{font-size:.875rem;color:var(--text-secondary);}
.info-tooltip{position:relative;cursor:help;}
.info-tooltip svg{width:14px;height:14px;stroke:var(--text-muted);}
.tooltip-text{position:absolute;bottom:125%;left:50%;transform:translateX(-50%);background:var(--navy-800);color:#e2e8f0;padding:var(--sp-2) var(--sp-3);border-radius:var(--r-md);font-size:.75rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--t-fast);}
.info-tooltip:hover .tooltip-text{opacity:1;}
.radio-group{margin-bottom:var(--sp-5);}
.radio-group-label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:var(--sp-3);font-size:.875rem;}
.radio-options{display:flex;flex-direction:column;gap:var(--sp-3);}
.radio-option{display:flex;align-items:flex-start;gap:var(--sp-3);padding:var(--sp-4);border:1.5px solid var(--border-default);border-radius:var(--r-lg);cursor:pointer;transition:all var(--t-fast);}
.radio-option:hover{border-color:var(--teal-300);background:var(--teal-50);}
.radio-option input[type="radio"]{display:none;}
.radio-custom{width:20px;height:20px;border:2px solid var(--border-strong);border-radius:var(--r-full);position:relative;flex-shrink:0;transition:all var(--t-fast);}
.radio-option input[type="radio"]:checked+.radio-custom{border-color:var(--teal-500);background:var(--teal-500);}
.radio-option input[type="radio"]:checked+.radio-custom::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:8px;height:8px;background:white;border-radius:var(--r-full);}
.radio-title{display:block;font-weight:600;color:var(--text-primary);margin-bottom:2px;font-size:.875rem;}
.radio-desc{font-size:.8rem;color:var(--text-muted);}
.status-card{padding:var(--sp-4);border-radius:var(--r-lg);margin-bottom:var(--sp-5);font-size:.875rem;line-height:1.5;}
.status-card.success{background:var(--green-100);border:1px solid #86efac;color:#166534;}
.status-card.error{background:var(--rose-100);border:1px solid #fca5a5;color:#9f1239;}
.upload-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4);margin-bottom:var(--sp-6);}
.info-item{display:flex;flex-direction:column;gap:2px;}
.info-label{font-size:.72rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;}
.info-value{font-size:.875rem;color:var(--text-secondary);word-break:break-word;}
.progress-container{background:var(--surface-raised);border-radius:var(--r-full);height:6px;overflow:hidden;margin-bottom:var(--sp-6);}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--teal-400),var(--teal-600));width:0%;transition:width var(--t-normal);border-radius:var(--r-full);}

/* ── Buttons ── */
.btn{padding:var(--sp-3) var(--sp-5);border:none;border-radius:var(--r-lg);font-family:var(--font-body);font-weight:600;font-size:.875rem;cursor:pointer;transition:all var(--t-fast);display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);text-decoration:none;}
.btn-primary{background:linear-gradient(135deg,var(--teal-500),var(--teal-600));color:white;box-shadow:var(--shadow-teal);}
.btn-primary:hover{background:linear-gradient(135deg,var(--teal-400),var(--teal-500));transform:translateY(-1px);}
.btn-secondary{background:var(--surface-raised);color:var(--text-secondary);border:1px solid var(--border-default);}
.btn-secondary:hover{background:var(--surface-page);color:var(--text-primary);}
.btn-success{background:linear-gradient(135deg,var(--green-500),#16a34a);color:white;}
.btn-success:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-danger{background:linear-gradient(135deg,var(--rose-500),var(--rose-600));color:white;}
.btn-danger:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-outline{background:transparent;color:var(--teal-600);border:1.5px solid var(--teal-300);}
.btn-outline:hover{background:var(--teal-50);border-color:var(--teal-400);}
.btn.full-width{width:100%;}

/* ── Folder Tree ── */
.folder-tree{max-height:400px;overflow-y:auto;border:1px solid var(--border-default);border-radius:var(--r-lg);background:var(--surface-raised);}
.folder-tree-controls{padding:var(--sp-4);border-bottom:1px solid var(--border-subtle);background:var(--surface-card);}
.folder-search-input{width:100%;padding:var(--sp-3) var(--sp-4);border:1.5px solid var(--border-default);border-radius:var(--r-lg);font-family:var(--font-body);font-size:.875rem;margin-bottom:var(--sp-3);background:var(--surface-input);color:var(--text-primary);}
.folder-tree-actions{display:flex;gap:var(--sp-2);}
.tree-action-btn{padding:var(--sp-2) var(--sp-3);background:var(--surface-raised);border:1px solid var(--border-default);border-radius:var(--r-md);font-family:var(--font-body);font-size:.8rem;cursor:pointer;transition:all var(--t-fast);}
.tree-action-btn:hover{background:var(--surface-page);}
.folder-tree-content{padding:var(--sp-3);}
.folder-item{padding:var(--sp-3);cursor:pointer;border-radius:var(--r-lg);transition:all var(--t-fast);display:flex;align-items:center;gap:var(--sp-2);font-size:.875rem;margin:2px 0;color:var(--text-secondary);}
.folder-item:hover:not(.disabled){background:var(--teal-50);color:var(--teal-700);}
.folder-item.selected{background:var(--teal-500);color:white;}
.folder-item.disabled{opacity:.45;cursor:not-allowed;}
.folder-expand-btn{width:20px;height:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:var(--r-md);transition:all var(--t-fast);}
.folder-expand-btn:hover{background:rgba(0,0,0,.06);}
.expand-icon{width:11px;height:11px;stroke:currentColor;transition:transform var(--t-fast);}
.folder-expand-btn[data-expanded="true"] .expand-icon{transform:rotate(90deg);}
.folder-icon{width:15px;height:15px;stroke:currentColor;}
.folder-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.folder-children{margin-left:var(--sp-5);}

/* ── Notifications ── */
.success-message{position:fixed;top:var(--sp-6);right:var(--sp-6);background:linear-gradient(135deg,var(--green-500),#16a34a);color:white;padding:var(--sp-4) var(--sp-5);border-radius:var(--r-xl);box-shadow:var(--shadow-xl);transform:translateX(calc(100% + var(--sp-6)));transition:transform var(--t-normal);z-index:1000;font-weight:600;}
.success-message.show{transform:translateX(0);}
.error-message{color:#9f1239;background:var(--rose-100);border:1px solid #fca5a5;padding:var(--sp-4);border-radius:var(--r-lg);margin:var(--sp-4) 0;font-weight:500;}

/* ── Scrollbars ── */
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:var(--r-full);}
::-webkit-scrollbar-thumb:hover{background:var(--border-strong);}

/* ── Focus ── */
*:focus{outline:2px solid var(--teal-400);outline-offset:2px;}
button:focus,input:focus,select:focus{outline:none;}

/* ── Animations ── */
.fade-in{animation:fadeIn .3s ease-out;}
.slide-up{animation:slideUp .3s ease-out;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.loading{position:relative;overflow:hidden;}
.loading::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);animation:shimmer 1.6s infinite;}
@keyframes shimmer{0%{left:-100%}100%{left:100%}}

/* ════════════════════════════════════
   RESPONSIVE
════════════════════════════════════ */
@media(max-width:1024px){
    :root{--sidebar-width:220px;}
    .main-content{padding:var(--sp-4);}
}

@media(max-width:768px){
    .container{grid-template-columns:1fr;}
    .sidebar{position:fixed;top:0;left:0;width:280px;height:100vh;transform:translateX(-100%);z-index:500;box-shadow:var(--shadow-xl);}
    .sidebar.mobile-open{transform:translateX(0);}
    .mobile-menu-toggle{display:flex;}
    .main-content{padding:68px var(--sp-3) var(--sp-3);}
    .stats-container{grid-template-columns:repeat(3,minmax(110px,1fr));overflow-x:auto;padding-bottom:2px;scrollbar-width:none;}
    .stats-container::-webkit-scrollbar{display:none;}
    .stats-item{min-width:110px;}
    .stats-number{font-size:1.1rem;}
    .stats-label{font-size:.65rem;}
    .header{flex-wrap:wrap;gap:var(--sp-2);}
    .search-container{width:100%;order:-1;}
    .sort-controls{width:100%;}
    .sort-select{flex:1;}
    .table-header,.directory-item{grid-template-columns:1fr 72px 32px;}
    .item-duration,.header-cell.duration-cell{display:none;}
    .directory-item{min-height:46px;padding:var(--sp-2) var(--sp-3);}
    .item-title{font-size:.8rem;}
    .item-size{font-size:.72rem;}
    .item-icon{width:26px;height:26px;}
    .content-title{font-size:1.2rem;}
    .content-subtitle{font-size:.8rem;}
    .premium-features{bottom:var(--sp-4);right:var(--sp-4);}
    .features-panel{min-width:270px;bottom:66px;right:0;}
    .quick-actions{display:none;}
    .modal{width:95vw;}
    .modal-header{padding:var(--sp-4) var(--sp-4) var(--sp-3);}
    .modal-header h3{font-size:1.15rem;}
    .modal-body{padding:var(--sp-4);}
    .modal-footer{padding:var(--sp-3) var(--sp-4) var(--sp-4);flex-direction:column;}
    .btn{width:100%;justify-content:center;}
    .input-row{grid-template-columns:1fr;}
    .upload-info-grid{grid-template-columns:1fr;}
}

@media(max-width:480px){
    .main-content{padding:64px var(--sp-2) var(--sp-2);}
    .stats-item{padding:var(--sp-2) var(--sp-3);}
    .stats-icon{width:30px;height:30px;}
    .stats-icon svg{width:14px;height:14px;}
    .stats-number{font-size:.95rem;}
    .table-header,.directory-item{grid-template-columns:1fr 60px 28px;padding:var(--sp-1) var(--sp-2);}
    .item-icon{width:24px;height:24px;}
    .item-icon svg{width:11px;height:11px;}
    .item-title{font-size:.75rem;}
    .more-btn{width:24px;height:24px;}
    .content-title{font-size:1.1rem;}
    .directory-container{border-radius:var(--r-xl);}
    .sidebar{width:260px;}
}

@media(max-width:768px) and (orientation:landscape){
    .main-content{padding:52px var(--sp-3) var(--sp-2);}
    .stats-container{margin-bottom:var(--sp-2);}
    .directory-container{max-height:calc(100vh - 130px);}
}

@media(hover:none) and (pointer:coarse){
    .directory-item{min-height:48px;}
    .more-btn{min-width:36px;min-height:36px;}
    .new-button{min-height:50px;}
    .menu-item{min-height:50px;}
    .breadcrumb-item{min-height:34px;}
    .folder-item{min-height:44px;}
    .tree-action-btn{min-height:40px;}
    .radio-option{min-height:44px;}
    .upload-option{min-height:48px;}
}

/* ── Drop Overlay ──────────────────────────────────────────── */
#drop-overlay{position:fixed;inset:0;background:rgba(13,148,136,.18);backdrop-filter:blur(6px);z-index:9999;display:none;align-items:center;justify-content:center;border:3px dashed rgba(20,184,166,.7);}
#drop-overlay.active{display:flex;}
.drop-inner{text-align:center;color:#2dd4bf;pointer-events:none;}
.drop-inner h2{font-size:1.6rem;font-weight:700;margin:16px 0 8px;}
.drop-inner p{font-size:.9rem;opacity:.7;}

/* ── Context Menu ──────────────────────────────────────────── */
#ctx-menu{position:fixed;z-index:9000;background:var(--surface-card,#1e293b);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:6px;box-shadow:0 8px 32px rgba(0,0,0,.5);display:none;min-width:170px;opacity:0;transform:scale(.95);transition:opacity .12s,transform .12s;}
#ctx-menu.open{opacity:1;transform:scale(1);}
.ctx-item{display:flex;align-items:center;gap:10px;padding:9px 14px;border-radius:8px;cursor:pointer;font-size:.85rem;color:rgba(226,232,240,.85);transition:background .1s;}
.ctx-item:hover{background:rgba(20,184,166,.15);color:#2dd4bf;}
.ctx-icon{font-size:1rem;width:20px;text-align:center;}

/* ── File Info Panel ───────────────────────────────────────── */
#file-info-panel{position:fixed;right:-320px;top:50%;transform:translateY(-50%);width:300px;background:var(--surface-card,#1e293b);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:20px;z-index:8000;box-shadow:0 8px 40px rgba(0,0,0,.5);transition:right .3s cubic-bezier(.34,1.56,.64,1);}
#file-info-panel.fip-visible{right:16px;}
.fip-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:.8rem;font-weight:700;color:#94a3b8;text-transform:uppercase;letter-spacing:.06em;}
.fip-header button{background:none;border:none;color:#64748b;font-size:1rem;cursor:pointer;padding:2px 6px;border-radius:6px;transition:color .1s;}
.fip-header button:hover{color:#e2e8f0;}
.fip-icon{font-size:3rem;text-align:center;margin-bottom:8px;}
.fip-name{font-size:.9rem;font-weight:700;color:#e2e8f0;text-align:center;word-break:break-all;margin-bottom:16px;}
.fip-table{width:100%;border-collapse:collapse;font-size:.8rem;margin-bottom:16px;}
.fip-table td{padding:7px 4px;border-bottom:1px solid rgba(255,255,255,.07);}
.fip-table td:first-child{color:#64748b;font-weight:600;width:72px;}
.fip-table td:last-child{color:#cbd5e1;word-break:break-all;}
.fip-path{font-family:monospace;font-size:.72rem;}
.fip-actions{display:flex;gap:8px;}
.fip-btn{flex:1;padding:9px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:#e2e8f0;font-size:.8rem;font-weight:600;cursor:pointer;transition:background .15s;}
.fip-btn:hover{background:rgba(20,184,166,.18);border-color:rgba(20,184,166,.4);color:#2dd4bf;}
.fip-btn-dl{background:rgba(20,184,166,.12);border-color:rgba(20,184,166,.3);color:#2dd4bf;}

/* ── Shortcuts Modal ───────────────────────────────────────── */
#shortcuts-modal{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(8px);z-index:9500;display:none;align-items:center;justify-content:center;}
#shortcuts-modal.open{display:flex;}
.sc-box{background:var(--surface-card,#1e293b);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:24px;width:min(480px,92vw);box-shadow:0 16px 64px rgba(0,0,0,.6);}
.sc-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;font-size:1rem;font-weight:700;color:#e2e8f0;}
.sc-header button{background:none;border:none;color:#64748b;font-size:1.1rem;cursor:pointer;padding:4px 8px;border-radius:8px;}
.sc-header button:hover{color:#e2e8f0;background:rgba(255,255,255,.08);}
.sc-list{display:flex;flex-direction:column;gap:8px;}
.sc-row{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.03);}
.sc-key{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:3px 8px;font-family:monospace;font-size:.8rem;color:#e2e8f0;white-space:nowrap;}
.sc-desc{font-size:.85rem;color:#94a3b8;}

/* ── Toast Notifications ───────────────────────────────────── */
#toast-container{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;}
.toast{background:rgba(30,41,59,.96);border:1px solid rgba(255,255,255,.12);color:#e2e8f0;padding:11px 20px;border-radius:24px;font-size:.85rem;font-weight:500;box-shadow:0 8px 24px rgba(0,0,0,.4);opacity:0;transform:translateY(12px) scale(.96);transition:all .3s cubic-bezier(.34,1.56,.64,1);white-space:nowrap;pointer-events:none;}
.toast.toast-show{opacity:1;transform:translateY(0) scale(1);}
.toast.toast-success{border-color:rgba(20,184,166,.4);background:rgba(13,148,136,.2);}
.toast.toast-error{border-color:rgba(239,68,68,.4);background:rgba(185,28,28,.2);}

/* ── Recent Files Sidebar ──────────────────────────────────── */
.recent-panel-wrap{margin-top:var(--sp-4);}
.recent-panel-title{font-size:.72rem;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.07em;margin-bottom:8px;padding:0 4px;}
#recent-panel{display:flex;flex-direction:column;gap:2px;}
.recent-item{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:10px;cursor:pointer;transition:background .12s;}
.recent-item:hover{background:rgba(255,255,255,.06);}
.recent-icon{font-size:.95rem;flex-shrink:0;}
.recent-name{font-size:.78rem;color:#94a3b8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.recent-empty{font-size:.78rem;color:#475569;padding:6px 8px;}

/* ── Grid Image Thumbnails ─────────────────────────────────── */
.grid-icon.thumb{padding:0;overflow:hidden;background:transparent;border-radius:var(--r-xl);width:100%;height:120px;}
.grid-thumb{width:100%;height:100%;object-fit:cover;border-radius:var(--r-xl);}

/* ── Shortcut hint button ──────────────────────────────────── */
.tb-shortcut-hint{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#94a3b8;border-radius:8px;width:32px;height:32px;font-size:.9rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s;margin-left:6px;}
.tb-shortcut-hint:hover{background:rgba(20,184,166,.18);border-color:rgba(20,184,166,.4);color:#2dd4bf;}

/* ============================================================
   NEW FEATURES CSS — EduMaster Pro Enhancements
   ============================================================ */

/* ── DARK THEME ── */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --hover-bg: #334155;
}

[data-theme="dark"] body {
    background: #0f172a;
    color: #f1f5f9;
}

[data-theme="dark"] .sidebar {
    background: #1e293b;
    border-right-color: #334155;
}

[data-theme="dark"] .main-content {
    background: #0f172a;
}

[data-theme="dark"] .header {
    background: #1e293b;
    border-bottom-color: #334155;
}

[data-theme="dark"] .directory-table {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .directory-item {
    border-bottom-color: #334155;
}

[data-theme="dark"] .directory-item:hover {
    background: #334155;
}

[data-theme="dark"] .table-header {
    background: #0f172a;
    border-bottom-color: #334155;
}

[data-theme="dark"] .search-bar {
    background: #334155;
    border-color: #475569;
}

[data-theme="dark"] .search-bar input {
    background: transparent;
    color: #f1f5f9;
}

[data-theme="dark"] .sort-select {
    background: #334155;
    color: #f1f5f9;
    border-color: #475569;
}

[data-theme="dark"] .sort-order-btn {
    background: #334155;
    border-color: #475569;
    color: #f1f5f9;
}

[data-theme="dark"] .modal-content {
    background: #1e293b;
    color: #f1f5f9;
}

[data-theme="dark"] .modal-content input,
[data-theme="dark"] .modal-content textarea {
    background: #334155 !important;
    border-color: #475569 !important;
    color: #f1f5f9 !important;
}

[data-theme="dark"] .menu-item {
    color: #94a3b8;
}

[data-theme="dark"] .menu-item:hover,
[data-theme="dark"] .menu-item.selected-item {
    background: #334155;
    color: #38bdf8;
}

[data-theme="dark"] .content-title {
    color: #f1f5f9;
}

[data-theme="dark"] .more-options {
    background: #1e293b;
    border-color: #334155;
}

[data-theme="dark"] .more-options-item:hover {
    background: #334155;
}

[data-theme="dark"] .storage-stats-card {
    background: #0f172a;
    border-color: #334155;
}

[data-theme="dark"] .breadcrumb-container {
    background: #1e293b;
}

[data-theme="dark"] .filter-pills {
    background: #1e293b;
}

[data-theme="dark"] .filter-pill {
    background: #334155;
    border-color: #475569;
    color: #94a3b8;
}

[data-theme="dark"] .filter-pill.active {
    background: #0ea5e9;
    border-color: #0ea5e9;
    color: #fff;
}

/* ── FILTER PILLS ── */
.filter-pills {
    display: flex;
    gap: 6px;
    padding: 6px 12px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    align-items: center;
    border-bottom: 1px solid #e2e8f0;
    background: #f8fafc;
}
.filter-pills::-webkit-scrollbar{display:none;}

.filter-pill {
    padding: 3px 10px;
    border-radius: 20px;
    border: 1.5px solid #e2e8f0;
    background: #fff;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    color: #64748b;
    transition: all 0.15s ease;
    font-family: inherit;
    white-space: nowrap;
    flex-shrink: 0;
}

.filter-pill:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
}

.filter-pill.active {
    background: #0ea5e9;
    border-color: #0ea5e9;
    color: #fff;
    box-shadow: 0 2px 8px rgba(14,165,233,0.3);
}

/* ── WATCH PROGRESS BADGE ── */
.watch-progress-badge {
    display: inline-block;
    margin-left: 8px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    vertical-align: middle;
    letter-spacing: 0.02em;
}

/* ── FAVORITES ── */
.fav-btn {
    line-height: 1;
}

.fav-btn.fav-active {
    filter: drop-shadow(0 0 4px rgba(251,191,36,0.8));
}

.fav-remove {
    margin-left: auto;
    opacity: 0.4;
    cursor: pointer;
    font-size: 0.75rem;
    padding: 2px 4px;
    border-radius: 4px;
    flex-shrink: 0;
}

.fav-remove:hover {
    opacity: 1;
    background: rgba(239,68,68,0.1);
    color: #ef4444;
}

.fav-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ── NOTE BUTTON ── */
.note-btn.note-active {
    filter: drop-shadow(0 0 3px rgba(245,158,11,0.7));
}

/* ── DOWNLOAD TRACKER BAR ── */
#dl-tracker-bar {
    position: fixed;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: #f1f5f9;
    border-radius: 16px 16px 0 0;
    padding: 12px 20px;
    min-width: 320px;
    max-width: 480px;
    z-index: 9999;
    transition: bottom 0.3s cubic-bezier(0.34,1.56,0.64,1);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}

#dl-tracker-bar.dl-tracker-visible {
    bottom: 0;
}

.dl-tracker-inner {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.dl-tracker-icon {
    font-size: 1rem;
}

#dl-tracker-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: #94a3b8;
}

#dl-tracker-close {
    position: absolute;
    top: 10px;
    right: 14px;
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    font-size: 1rem;
}

.dl-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
}

.dl-name {
    flex: 1;
    color: #e2e8f0;
    font-weight: 500;
}

.dl-status {
    color: #38bdf8;
    font-weight: 600;
    min-width: 50px;
    text-align: right;
}

.dl-mini-bar {
    width: 60px;
    height: 4px;
    background: #334155;
    border-radius: 2px;
    overflow: hidden;
}

.dl-mini-filled {
    height: 100%;
    background: linear-gradient(90deg, #38bdf8, #0ea5e9);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* ── COPY LINK ITEM ── */
.copy-link-item {
    color: #0ea5e9 !important;
}

/* ── THEME TOGGLE BUTTON ── */
.theme-toggle-btn {
    font-size: 1.1rem !important;
}

/* ── DARK MODE for recent-empty ── */
[data-theme="dark"] .recent-empty {
    color: #475569;
}

[data-theme="dark"] .recent-item:hover {
    background: #334155;
}

[data-theme="dark"] .item-title,
[data-theme="dark"] .item-size,
[data-theme="dark"] .header-cell {
    color: #e2e8f0;
}