/* ═══════════════════════════════════════════
   GorseeNote — Minimal Glassmorphism
   ═══════════════════════════════════════════ */

:root {
    --bg-deep: #060609;
    --bg-surface: #0B0B13;
    --bg-elevated: #11111C;
    --glass-bg: rgba(255,255,255,0.02);
    --glass-bg-hover: rgba(255,255,255,0.05);
    --glass-bg-active: rgba(255,255,255,0.08);
    --text-primary: #EDEDF2;
    --text-secondary: #88889E;
    --text-muted: #55556A;
    --accent: #E2E8F0;
    --accent-glow: rgba(226,232,240,0.15);
    --accent-soft: rgba(226,232,240,0.08);
    --success: #5EEAD4;
    --danger: #FF6363;
    --radius: 16px;
    --radius-lg: 22px;
    --radius-xl: 28px;
    --radius-sm: 10px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Cascadia Mono', ui-monospace, monospace;
}

/* ── Reset ───────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

/* ── Lucide Icons ────────────────────────── */
.lucide-icon { width: 16px; height: 16px; flex-shrink: 0; vertical-align: middle; }
.glass-btn .lucide-icon { width: 14px; height: 14px; }
.tree-icon { width: 14px; height: 14px; color: var(--text-secondary); flex-shrink: 0; }
.tree-arrow.lucide-icon { width: 12px; height: 12px; color: var(--text-muted); }
.vault-icon.lucide-icon { width: 16px; height: 16px; }
.sync-badge .lucide-icon { width: 12px; height: 12px; }

html, body {
    margin: 0; padding: 0;
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

body {
    background-image:
        radial-gradient(ellipse 60% 50% at 50% -20%, rgba(255,255,255,0.03), transparent),
        radial-gradient(ellipse 40% 40% at 85% 90%, rgba(255,255,255,0.02), transparent);
    background-attachment: fixed;
}

/* ── Scrollbar ───────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

/* ── Typography ──────────────────────────── */
h1 { font-size: 2rem; font-weight: 600; letter-spacing: -0.02em; outline: none; }
h1:focus, h1:focus-visible { outline: none; }
h4 { font-size: 1.15rem; font-weight: 500; }
h5 { font-size: 0.7rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 14px; }
h6 { font-size: 0.68rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.14em; }

p.lead { font-size: 1.05rem; color: var(--text-secondary); }
.text-muted { color: var(--text-muted) !important; }
.d-block { display: block; }
.mt-2 { margin-top: 8px; }
.ms-2 { margin-left: 8px; }
.me-1 { margin-right: 4px; }

/* ── Glass Button ────────────────────────── */
.glass-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 20px;
    background: var(--glass-bg);
    border: none;
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.glass-btn:hover {
    background: var(--glass-bg-hover);
    transform: translateY(-1px);
}

.glass-btn:active { transform: translateY(0); }

.glass-btn-accent {
    background: var(--accent-soft);
}

.glass-btn-accent:hover {
    background: rgba(226,232,240,0.14);
    box-shadow: 0 2px 16px var(--accent-glow);
}

.glass-btn-lg {
    padding: 15px 32px;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
}

.glass-btn-sm {
    padding: 6px 14px;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

.glass-btn:disabled { opacity: 0.25; cursor: not-allowed; transform: none; }

/* ── Glass Input ─────────────────────────── */
.glass-input {
    width: 100%;
    padding: 11px 15px;
    background: var(--glass-bg);
    border: none;
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.88rem;
    outline: none;
    transition: all 0.25s ease;
}

.glass-input::placeholder { color: var(--text-muted); }
.glass-input:focus { background: var(--glass-bg-hover); box-shadow: 0 0 0 2px var(--accent-glow); }

/* ── Textarea ────────────────────────────── */
.editor-textarea {
    flex: 1;
    border: none;
    border-radius: 0;
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: transparent;
    color: var(--text-primary);
    outline: none;
    line-height: 1.75;
    resize: none;
}

.editor-textarea::placeholder { color: var(--text-muted); }

/* ── Editor Toolbar Dropdown ─────────────── */
.editor-toolbar-dropdown { position: relative; }
.toolbar-menu {
    position: absolute; top: 100%; left: 0; z-index: 50;
    background: var(--bg-elevated);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 6px; min-width: 180px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.toolbar-menu-item {
    display: flex; align-items: center; gap: 10px;
    width: 100%; padding: 8px 12px;
    background: transparent; border: none; border-radius: 8px;
    color: var(--text-primary); font-size: 0.82rem;
    cursor: pointer; transition: background 0.15s ease;
    font-family: var(--font);
}
.toolbar-menu-item:hover { background: var(--glass-bg-hover); }
.toolbar-menu-item .lucide-icon { width: 16px; height: 16px; color: var(--text-secondary); }

/* ── Modal ──────────────────────────────── */
.modal-overlay {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
}
.modal-content {
    width: 400px; max-width: 90vw;
    border-radius: var(--radius-lg);
    padding: 0; overflow: hidden;
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.modal-header h4 { margin: 0; font-size: 1rem; }
.modal-body { padding: 20px; }
.sync-code-display {
    font-family: var(--font-mono); font-size: 1.5rem; font-weight: 600;
    letter-spacing: 0.15em; text-align: center;
    padding: 12px; background: var(--glass-bg);
    border-radius: var(--radius-sm);
    color: var(--accent);
}
.mode-label { font-size: 0.75rem; margin-left: 2px; }

/* ── Input Group ────────────────────────── */
.input-group { display: flex; gap: 8px; }
.input-group .glass-input { flex: 1; }

/* ── Markdown Preview ─────────────────────── */
.md-preview {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    line-height: 1.8;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.92rem;
}

.md-preview h1 { font-size: 1.7rem; font-weight: 600; margin: 0 0 16px; letter-spacing: -0.02em; }
.md-preview h2 { font-size: 1.35rem; font-weight: 600; margin: 28px 0 12px; letter-spacing: -0.01em; }
.md-preview h3 { font-size: 1.15rem; font-weight: 600; margin: 22px 0 10px; }
.md-preview h4, .md-preview h5, .md-preview h6 {
    font-size: 1rem; font-weight: 600; margin: 18px 0 8px;
    color: var(--text-secondary); text-transform: none; letter-spacing: 0;
}

.md-preview p { margin: 0 0 12px; color: var(--text-secondary); }
.md-preview a { color: var(--accent); text-decoration: none; }
.md-preview a:hover { text-decoration: underline; }

.md-preview code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background: var(--glass-bg-active);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--text-primary);
}

.md-preview pre {
    background: var(--glass-bg);
    border-radius: var(--radius-sm);
    padding: 16px;
    overflow-x: auto;
    margin: 12px 0;
}

.md-preview pre code {
    background: transparent;
    padding: 0;
    font-size: 0.82rem;
    line-height: 1.65;
}

.md-preview blockquote {
    border-left: 2px solid var(--accent-soft);
    margin: 12px 0;
    padding: 4px 0 4px 16px;
    color: var(--text-muted);
}

.md-preview ul, .md-preview ol {
    padding-left: 24px;
    margin: 8px 0 12px;
    color: var(--text-secondary);
}

.md-preview li { margin-bottom: 4px; }

.md-preview hr {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin: 24px 0;
}

.md-preview img { max-width: 100%; border-radius: var(--radius-sm); }

.md-preview table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 0.85rem;
}

.md-preview th, .md-preview td {
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,0.06);
    text-align: left;
}

.md-preview th { background: var(--glass-bg); font-weight: 600; color: var(--text-primary); }
.md-preview td { color: var(--text-secondary); }

/* ── Vault List & Tree ───────────────────── */
.vault-item {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px; margin-bottom: 2px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s ease;
    position: relative;
}
.vault-item:hover { background: var(--glass-bg-hover); }
.vault-item.active { background: var(--accent-soft); }
.vault-icon { font-size: 0.85rem; }
.vault-label { flex: 1; font-size: 0.82rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vault-actions { display: flex; gap: 2px; }
.vault-actions .glass-btn { padding: 3px 6px; font-size: 0.7rem; min-width: auto; }
.sync-badge { font-size: 0.7rem; padding: 2px 6px; border-radius: 999px; background: var(--glass-bg-active); color: var(--text-muted); }
.sync-badge.connected { background: rgba(94,234,212,0.15); color: var(--success); }
.sync-input-row { display: flex; gap: 4px; padding: 4px 0; }

.note-tree { padding-left: 12px; margin: 4px 0 8px; }
.tree-folder {
    display: flex; align-items: center; gap: 4px;
    padding: 5px 8px; border-radius: 6px;
    cursor: pointer; user-select: none;
    font-size: 0.78rem; color: var(--text-secondary);
}
.tree-folder:hover { background: var(--glass-bg-hover); }
.tree-arrow { font-size: 0.55rem; width: 12px; flex-shrink: 0; }
.tree-children { padding-left: 14px; }
.tree-more {
    display: flex; align-items: center; gap: 4px;
    width: 100%; padding: 5px 8px;
    border: 0; border-radius: 6px;
    background: transparent; color: var(--text-muted);
    cursor: pointer; font-size: 0.76rem; text-align: left;
}
.tree-more:hover { background: var(--glass-bg-hover); color: var(--text-secondary); }

.tree-note {
    display: flex; align-items: center; gap: 4px;
    padding: 5px 8px; border-radius: 6px;
    cursor: pointer; font-size: 0.8rem;
    position: relative;
}
.tree-note:hover { background: var(--glass-bg-hover); }
.tree-note.hover { background: var(--glass-bg-hover); }
.tree-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-actions { display: flex; gap: 1px; flex-shrink: 0; }
.tree-actions .glass-btn { padding: 2px 5px; font-size: 0.65rem; min-width: auto; }

/* ── Badge ───────────────────────────────── */
.glass-badge {
    display: inline-block;
    padding: 3px 10px;
    background: var(--glass-bg-active);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.glass-badge-accent {
    background: var(--accent-soft);
    color: var(--accent);
}

/* ── Alert ───────────────────────────────── */
.glass-alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.82rem;
    backdrop-filter: blur(16px);
}
.glass-alert-danger { background: rgba(255,99,99,0.1); color: var(--danger); }
.glass-alert-success { background: rgba(94,234,212,0.1); color: var(--success); }

/* ═══════════════════════════════════════════
   Vault Open
   ═══════════════════════════════════════════ */
.vault-open {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    min-height: 100vh;
    text-align: center; padding: 40px 20px; gap: 20px;
}

.vault-open h1 {
    font-size: 2.4rem; font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

/* ═══════════════════════════════════════════
   App Shell
   ═══════════════════════════════════════════ */
.app-shell { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }

.toolbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.03);
    z-index: 10;
}

.vault-name { font-weight: 500; font-size: 0.78rem; color: var(--text-secondary); letter-spacing: 0.04em; }

.main-grid { display: grid; grid-template-columns: 260px 1fr 220px; flex: 1; overflow: hidden; }

/* ── Note List ───────────────────────────── */
.note-list {
    background: var(--glass-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid rgba(255,255,255,0.03);
    padding: 16px; overflow-y: auto;
}

.note-card {
    padding: 12px 16px; margin-bottom: 6px;
    border-radius: var(--radius-sm);
    cursor: pointer; transition: background 0.2s ease;
}
.note-card:hover { background: var(--glass-bg-hover); }
.note-card.selected { background: var(--accent-soft); }

.note-title { font-weight: 500; font-size: 0.88rem; margin-bottom: 3px; }
.note-excerpt { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Editor ──────────────────────────────── */
.editor { display: flex; flex-direction: column; background: var(--bg-surface); }

.editor-header {
    display: flex; gap: 12px; align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    background: var(--glass-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.editor-header .glass-input { max-width: 400px; }

/* ── Side Panel ──────────────────────────── */
.side-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-left: 1px solid rgba(255,255,255,0.03);
    padding: 16px; overflow-y: auto;
}
.side-panel h6 { margin-bottom: 14px; }

.memory-item {
    padding: 8px 0; font-size: 0.78rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.memory-item:last-child { border-bottom: none; }

/* ═══════════════════════════════════════════
   Pages
   ═══════════════════════════════════════════ */
.page-content { max-width: 680px; margin: 44px auto; padding: 0 24px; }
.page-content h4 { margin-bottom: 4px; }

.input-group { display: flex; gap: 8px; margin: 20px 0; }
.input-group .glass-input { flex: 1; }

.result-card {
    padding: 14px 18px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius);
    margin-bottom: 8px;
    transition: all 0.25s ease;
}
.result-card:hover { background: var(--glass-bg-hover); transform: translateY(-1px); }
.result-card strong { color: var(--text-primary); }
.result-card small { color: var(--text-muted); }

/* ═══════════════════════════════════════════
   Nav
   ═══════════════════════════════════════════ */
.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.navbar-brand {
    font-weight: 600; font-size: 0.95rem;
    color: var(--text-primary) !important;
    letter-spacing: -0.01em;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-size: 0.82rem; font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 6px 14px !important;
    transition: all 0.2s ease;
}
.nav-link:hover { color: var(--text-primary) !important; background: var(--glass-bg-hover); }
.nav-link.active { color: var(--accent) !important; background: var(--accent-soft); }
.navbar-toggler-icon { filter: invert(1); }

.nav-scrollable {
    background: var(--glass-bg);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255,255,255,0.03);
}

/* ═══════════════════════════════════════════
   Animations
   ═══════════════════════════════════════════ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeIn 0.35s ease-out; }

/* ═══════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════ */
.hamburger-btn { display: none; }
.sidebar-close { display: none; }
.sidebar-overlay { display: none; }

@media (max-width: 768px) {
    .main-grid { grid-template-columns: 1fr; }
    .hamburger-btn { display: flex; }
    .sidebar-close { display: flex; position: absolute; top: 8px; right: 8px; z-index: 101; }
    .note-list {
        position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
        width: 280px; max-width: 85vw;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        padding-top: 40px;
        overflow-y: auto;
    }
    .note-list.open { transform: translateX(0); }
    .sidebar-overlay {
        display: block;
        position: fixed; inset: 0; z-index: 99;
        background: rgba(0,0,0,0.5);
        backdrop-filter: blur(4px);
    }
    .side-panel { display: none; }
    .page-content { padding: 0 16px; margin: 28px auto; }
    .vault-open h1 { font-size: 1.7rem; }
    .modal-content { width: 95vw; }
}