/* ═══════════════════════════════════════════════════════════════════
   AllInOneToolsHub – app.css  (v3 — production upgrade)
   Custom component styles that complement Tailwind utility classes.
   ═══════════════════════════════════════════════════════════════════ */

/* ── Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
body { transition: background-color .2s, color .2s; }

/* ── Sidebar ──────────────────────────────────────────────────────── */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: .625rem;
    padding: .5rem .75rem;
    border-radius: .75rem;
    font-size: .8125rem;
    font-weight: 500;
    color: #6b7280;
    text-decoration: none;
    transition: background .15s, color .15s;
    white-space: nowrap;
}
.sidebar-link:hover { background: #f3f4f6; color: #4f46e5; }
.dark .sidebar-link:hover { background: rgba(99,102,241,.1); color: #a5b4fc; }
.sidebar-link.active { background: #eef2ff; color: #4f46e5; font-weight: 600; }
.dark .sidebar-link.active { background: rgba(99,102,241,.15); color: #a5b4fc; }

.sidebar-section-label {
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #9ca3af;
    padding: .875rem .75rem .375rem;
}

/* ── Cards ────────────────────────────────────────────────────────── */
.tool-card {
    background: #fff;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    transition: box-shadow .25s, transform .25s;
    text-decoration: none;
    display: block;
}
.tool-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,.1); transform: translateY(-3px); }
.dark .tool-card { background: #1f2937; border-color: #374151; }

.stats-card {
    background: #fff;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    transition: box-shadow .2s, transform .2s;
}
.stats-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.1); transform: translateY(-2px); }
.dark .stats-card { background: #1f2937; border-color: #374151; }

/* ── Glassmorphism ────────────────────────────────────────────────── */
.glass {
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.2);
}
.dark .glass { background: rgba(17,24,39,.6); border-color: rgba(255,255,255,.08); }

/* ── Form controls ────────────────────────────────────────────────── */
.form-input {
    width: 100%;
    padding: .625rem 1rem;
    border-radius: .75rem;
    border: 1px solid #d1d5db;
    background: #fff;
    color: #111827;
    font-size: .875rem;
    transition: border-color .15s, box-shadow .15s;
    outline: none;
}
.form-input:focus { border-color: #6366f1; box-shadow: 0 0 0 3px rgba(99,102,241,.15); }
.dark .form-input { background: #374151; border-color: #4b5563; color: #f9fafb; }
.dark .form-input:focus { border-color: #818cf8; box-shadow: 0 0 0 3px rgba(129,140,248,.15); }

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .625rem 1.25rem;
    background: #6366f1;
    color: #fff;
    font-weight: 600;
    font-size: .875rem;
    border-radius: .75rem;
    border: none;
    cursor: pointer;
    transition: background .15s, transform .15s, box-shadow .15s;
}
.btn-primary:hover { background: #4f46e5; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(99,102,241,.35); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ── Drop zone ────────────────────────────────────────────────────── */
.drop-zone {
    border: 2px dashed #d1d5db;
    border-radius: 1rem;
    padding: 3rem 2rem;
    text-align: center;
    transition: border-color .2s, background .2s;
    cursor: pointer;
}
.drop-zone:hover, .drop-active {
    border-color: #6366f1;
    background: rgba(99,102,241,.04);
}
.dark .drop-zone { border-color: #4b5563; }
.dark .drop-zone:hover, .dark .drop-active { border-color: #818cf8; background: rgba(99,102,241,.08); }

/* ── Progress bar ─────────────────────────────────────────────────── */
.progress-bar {
    height: .375rem;
    background: #e5e7eb;
    border-radius: 99px;
    overflow: hidden;
}
.dark .progress-bar { background: #374151; }
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    border-radius: 99px;
    transition: width .3s ease;
}

/* ── Toast ────────────────────────────────────────────────────────── */
.toast {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .875rem 1.25rem;
    border-radius: .875rem;
    box-shadow: 0 8px 30px rgba(0,0,0,.15);
    min-width: 280px;
    max-width: 420px;
    font-size: .875rem;
    font-weight: 500;
    backdrop-filter: blur(8px);
    pointer-events: all;
    animation: toastIn .35s cubic-bezier(.34,1.56,.64,1) both;
}
.toast-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.toast-error   { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.toast-info    { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }
.toast-warning { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }

.dark .toast-success { background: rgba(22,163,74,.15); border-color: rgba(134,239,172,.25); color: #86efac; }
.dark .toast-error   { background: rgba(220,38,38,.15);  border-color: rgba(252,165,165,.25); color: #fca5a5; }
.dark .toast-info    { background: rgba(37,99,235,.15);  border-color: rgba(147,197,253,.25); color: #93c5fd; }
.dark .toast-warning { background: rgba(217,119,6,.15);  border-color: rgba(253,230,138,.25); color: #fde68a; }

@keyframes toastIn  { from { opacity:0; transform:translateX(110%) scale(.85); } to { opacity:1; transform:translateX(0) scale(1); } }
@keyframes toastOut { from { opacity:1; transform:translateX(0) scale(1); } to { opacity:0; transform:translateX(110%) scale(.85); } }

/* ── Spinner ──────────────────────────────────────────────────────── */
.loading-spinner {
    display: inline-block;
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid #e5e7eb;
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: spin .65s linear infinite;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Skeleton loader ──────────────────────────────────────────────── */
.skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: skeleton 1.4s ease infinite;
    border-radius: .5rem;
}
.dark .skeleton {
    background: linear-gradient(90deg, #1f2937 25%, #374151 50%, #1f2937 75%);
    background-size: 200% 100%;
}
@keyframes skeleton { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ── Badge ────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .2rem .6rem;
    font-size: .7rem;
    font-weight: 600;
    border-radius: 99px;
}
.badge-indigo { background: #eef2ff; color: #4f46e5; }
.badge-green  { background: #f0fdf4; color: #166534; }
.badge-red    { background: #fef2f2; color: #991b1b; }
.dark .badge-indigo { background: rgba(99,102,241,.2); color: #a5b4fc; }
.dark .badge-green  { background: rgba(22,163,74,.2);  color: #86efac; }
.dark .badge-red    { background: rgba(220,38,38,.2);  color: #fca5a5; }

/* ── Scrollbar ────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 99px; }
.dark ::-webkit-scrollbar-thumb { background: #4b5563; }

/* ── Focus ring ───────────────────────────────────────────────────── */
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

/* ── Prose polish ─────────────────────────────────────────────────── */
.prose p { margin-bottom: .75rem; }
.prose ul { list-style: disc; padding-left: 1.25rem; }
.prose li { margin-bottom: .25rem; }

/* ── Animations (supplement Tailwind) ────────────────────────────── */
@keyframes fadeIn  { from { opacity:0; } to { opacity:1; } }
@keyframes slideUp { from { opacity:0; transform:translateY(14px); } to { opacity:1; transform:translateY(0); } }
.animate-fade-in  { animation: fadeIn  .35s ease both; }
.animate-slide-up { animation: slideUp .4s  ease both; }