/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root, [data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #22223a;
    --bg-input: #16162a;
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);
    --text-primary: #e8e8f0;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99,102,241,0.25);
    --danger: #f43f5e;
    --danger-hover: #fb7185;
    --success: #22c55e;
    --warning: #f97316;
    --yellow: #eab308;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --transition: 0.2s cubic-bezier(.4,0,.2,1);
    --orb-opacity: 0.12;
    --scrollbar-track: #0a0a0f;
    --scrollbar-thumb: #2a2a3e;
}

[data-theme="twilight"] {
    --bg-primary: #1b2240;
    --bg-secondary: #222a4e;
    --bg-card: #2c3560;
    --bg-card-hover: #374070;
    --bg-input: #1e2744;
    --border: rgba(255,255,255,0.10);
    --border-hover: rgba(255,255,255,0.20);
    --text-primary: #e8eaf4;
    --text-secondary: #a0a4c0;
    --text-muted: #6e7298;
    --accent: #818af8;
    --accent-hover: #a5adff;
    --accent-glow: rgba(129,138,248,0.22);
    --danger: #f43f5e;
    --danger-hover: #fb7185;
    --success: #34d399;
    --warning: #fb923c;
    --yellow: #facc15;
    --shadow: 0 4px 24px rgba(0,0,0,0.30);
    --orb-opacity: 0.10;
    --scrollbar-track: #1b2240;
    --scrollbar-thumb: #3e4878;
}

[data-theme="light"] {
    --bg-primary: #e8ecf4;
    --bg-secondary: #ffffff;
    --bg-card: #f2f3f8;
    --bg-card-hover: #e4e5f0;
    --bg-input: #e8ecf4;
    --border: rgba(0,0,0,0.10);
    --border-hover: rgba(0,0,0,0.18);
    --text-primary: #111128;
    --text-secondary: #444466;
    --text-muted: #7a7a9a;
    --accent: #4f52d9;
    --accent-hover: #6366f1;
    --accent-glow: rgba(79,82,217,0.15);
    --danger: #dc2f4e;
    --danger-hover: #f43f6e;
    --success: #15803d;
    --warning: #d96410;
    --yellow: #b47a04;
    --shadow: 0 4px 20px rgba(0,0,0,0.10);
    --orb-opacity: 0.04;
    --scrollbar-track: #e8ecf4;
    --scrollbar-thumb: #b8bcd0;
}

html { font-size: 15px; }
body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.4s ease, color 0.3s ease;
}

/* ===== AMBIENT BACKGROUND ===== */
.ambient-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.orb {
    position: absolute; border-radius: 50%; filter: blur(120px); opacity: var(--orb-opacity, 0.12);
    animation: float 20s ease-in-out infinite; transition: opacity 0.4s ease;
}
.orb-1 { width: 500px; height: 500px; background: #6366f1; top: -10%; left: -5%; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: #8b5cf6; bottom: -10%; right: -5%; animation-delay: -7s; }
.orb-3 { width: 350px; height: 350px; background: #ec4899; top: 40%; left: 50%; animation-delay: -14s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ===== HEADER ===== */
.app-header {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.8rem 1.5rem;
    background: color-mix(in srgb, var(--bg-primary) 80%, transparent);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background 0.4s ease;
}
.header-left { display: flex; align-items: center; gap: 1rem; }
.logo { display: flex; align-items: center; gap: 0.7rem; }
.logo h1 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.02em; }

/* Theme switcher */
.btn-theme {
    background: none; border: 1px solid var(--border); color: var(--text-secondary);
    cursor: pointer; border-radius: 8px; padding: 5px 7px;
    display: flex; align-items: center; transition: all var(--transition);
    font-size: 16px; line-height: 1;
}
.btn-theme:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

/* Header global search */
.header-search {
    flex: 1; max-width: 420px; min-width: 180px;
    display: flex; align-items: center; gap: 0.4rem;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 0.3rem 0.7rem;
    transition: border-color var(--transition), background var(--transition);
}
.header-search:focus-within {
    border-color: var(--accent); background: var(--bg-card-hover);
}
.header-search-icon { color: var(--text-muted); flex-shrink: 0; }
.header-search input {
    flex: 1; background: none; border: none; outline: none;
    color: var(--text-primary); font-family: inherit; font-size: 0.78rem;
    padding: 0.2rem 0;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search-clear {
    background: none; border: none; color: var(--text-muted); cursor: pointer;
    padding: 0.1rem; border-radius: 4px; display: flex;
    transition: all var(--transition);
}
.header-search-clear:hover { color: var(--text-primary); background: var(--border-hover); }

/* Global search results summary */
.global-search-results {
    display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
    margin-bottom: 0.8rem; font-size: 0.75rem; color: var(--text-secondary);
}
.global-search-results .result-tag {
    display: inline-flex; align-items: center; gap: 0.2rem;
    font-size: 0.65rem; font-weight: 600; padding: 0.12rem 0.45rem;
    border-radius: 5px; white-space: nowrap;
}

/* Date tag on bug cards */
.bug-tag.tag-date { background: rgba(234,179,8,0.15); color: var(--yellow); }

.stats-bar { display: flex; gap: 1.2rem; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 0.1rem; }
.stat-value { font-size: 1.1rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }

/* Admin badge */
.user-role-badge {
    font-size: 0.55rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.06em; padding: 0.1rem 0.35rem; border-radius: 4px;
    background: linear-gradient(135deg, #f59e0b, #f97316); color: #000;
}

/* Admin user list */
.admin-user-row {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.6rem 0.7rem; border-radius: var(--radius);
    background: var(--bg-card); border: 1px solid var(--border);
    margin-bottom: 0.5rem; transition: all var(--transition);
}
.admin-user-row:hover { border-color: rgba(99,102,241,0.3); }
.admin-user-row .admin-user-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--accent); display: flex; align-items: center;
    justify-content: center; font-weight: 700; font-size: 0.8rem;
    color: white; flex-shrink: 0;
}
.admin-user-row .admin-user-info { flex: 1; min-width: 0; }
.admin-user-row .admin-user-name { font-weight: 600; font-size: 0.85rem; }
.admin-user-row .admin-user-meta { font-size: 0.7rem; color: var(--text-muted); }
.admin-user-row .admin-user-actions { display: flex; gap: 0.3rem; }
.admin-user-row input {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: 4px; color: var(--text-primary); font-family: inherit;
    font-size: 0.78rem; padding: 0.2rem 0.4rem; width: 120px;
}
.admin-user-row .btn-sm {
    font-size: 0.65rem; padding: 0.15rem 0.4rem; border-radius: 4px;
    border: none; cursor: pointer; font-weight: 600; transition: all var(--transition);
}
.admin-user-row .btn-save { background: var(--success); color: #000; }
.admin-user-row .btn-cancel-edit { background: var(--text-muted); color: #000; }
.admin-user-row .btn-del { background: var(--danger); color: #fff; }

/* Resolve button */
.btn-resolve {
    display: inline-flex; align-items: center; gap: 0.3rem;
    font-size: 0.65rem; font-weight: 600; padding: 0.2rem 0.5rem;
    border-radius: 4px; border: 1px solid var(--success); color: var(--success);
    background: transparent; cursor: pointer; transition: all var(--transition);
    white-space: nowrap;
}
.btn-resolve:hover { background: var(--success); color: #000; }

/* Resolved info block on cards */
.bug-resolved-info {
    display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.3rem;
    padding: 0.35rem 0.5rem; border-radius: 6px;
    background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.2);
}
.bug-resolved-info span {
    font-size: 0.68rem; color: var(--success);
}

/* ===== LAYOUT ===== */
.app-main {
    position: relative; z-index: 1;
    display: flex; height: calc(100vh - 56px);
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 260px; min-width: 260px;
    background: color-mix(in srgb, var(--bg-secondary) 85%, transparent);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border);
    padding: 1rem 0;
    display: flex; flex-direction: column; gap: 0.5rem;
    overflow-y: auto;
}
.sidebar-section { padding: 0 0.8rem; }
.sidebar-section-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0.6rem 0.5rem 0.4rem; margin-bottom: 0.2rem;
    border-bottom: 1px solid var(--border);
}
.sidebar-section-header h2 {
    font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--accent); font-weight: 700;
}

.sidebar-divider {
    height: 2px; background: var(--border); margin: 0.8rem 0.8rem;
}

/* Filter items in sidebar */
.filter-item {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.4rem 0.7rem; border-radius: var(--radius);
    cursor: pointer; transition: all var(--transition);
    font-size: 0.8rem; color: var(--text-secondary);
}
.filter-item:hover { background: var(--bg-card); color: var(--text-primary); }
.filter-item.active { background: var(--accent-glow); color: var(--text-primary); }
.filter-item .filter-counts {
    margin-left: auto; display: flex; gap: 0.3rem; font-size: 0.65rem;
}
.filter-count-open {
    background: rgba(249,115,22,0.2); color: var(--warning);
    padding: 0.05rem 0.35rem; border-radius: 6px; font-weight: 600;
}
.filter-count-resolved {
    background: rgba(34,197,94,0.2); color: var(--success);
    padding: 0.05rem 0.35rem; border-radius: 6px; font-weight: 600;
}
.filter-empty {
    padding: 0.3rem 0.7rem; font-size: 0.73rem; color: var(--text-muted);
}

/* Active global filter banner */
.global-filter-banner {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--accent-glow); border: 1px solid rgba(99,102,241,0.3);
    border-radius: var(--radius); padding: 0.45rem 0.8rem; margin-bottom: 0.8rem;
    font-size: 0.78rem; font-weight: 600; color: var(--accent-hover);
}
.global-filter-banner button {
    background: none; border: none; color: var(--accent-hover); cursor: pointer;
    font-family: inherit; font-size: 0.75rem; font-weight: 600;
    text-decoration: underline; transition: opacity var(--transition);
}
.global-filter-banner button:hover { opacity: 0.7; }

/* Sidebar items */
.sidebar-item {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.55rem 0.7rem; border-radius: var(--radius);
    cursor: pointer; transition: all var(--transition);
    font-size: 0.85rem; color: var(--text-secondary);
    position: relative;
}
.sidebar-item:hover { background: var(--bg-card); color: var(--text-primary); }
.sidebar-item.active { background: var(--accent-glow); color: var(--text-primary); }
.sidebar-item .item-dot {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.sidebar-item .item-count {
    margin-left: auto; font-size: 0.7rem; background: var(--bg-card);
    padding: 0.1rem 0.45rem; border-radius: 10px; color: var(--text-muted);
}
.sidebar-item .item-actions {
    margin-left: auto; display: flex; gap: 0.2rem; opacity: 0;
    transition: opacity var(--transition);
}
.sidebar-item:hover .item-actions { opacity: 1; }
.sidebar-item:hover .item-count { display: none; }

.item-action-btn {
    background: none; border: none; color: var(--text-muted); cursor: pointer;
    padding: 0.15rem; border-radius: 4px; display: flex;
    transition: all var(--transition);
}
.item-action-btn:hover { color: var(--text-primary); background: var(--border-hover); }
.item-action-btn.delete:hover { color: var(--danger); }

/* ===== CONTENT ===== */
.content {
    flex: 1; overflow-y: auto; padding: 1.5rem 2rem;
}

/* Empty state */
.empty-state {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    height: 60vh; gap: 1rem; color: var(--text-muted); text-align: center;
}
.empty-state svg { opacity: 0.3; }
.empty-state h2 { font-size: 1.3rem; color: var(--text-secondary); }
.empty-state p { font-size: 0.9rem; }

/* Bug area */
.bug-area-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.2rem; flex-wrap: wrap; gap: 0.8rem;
}
.bug-area-title { display: flex; align-items: center; gap: 0.6rem; }
.bug-area-title h2 { font-size: 1.2rem; font-weight: 700; }
.badge {
    background: var(--accent-glow); color: var(--accent);
    font-size: 0.75rem; font-weight: 600; padding: 0.15rem 0.55rem;
    border-radius: 10px;
}
.bug-area-actions { display: flex; align-items: center; gap: 0.8rem; }

/* Search bar */
.search-bar {
    position: relative; display: flex; align-items: center;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); margin-bottom: 1rem;
    transition: border-color var(--transition);
    flex-wrap: wrap; gap: 0.4rem; padding: 0.35rem 0.7rem;
}
.search-bar:focus-within { border-color: var(--accent); }
.search-icon { color: var(--text-muted); flex-shrink: 0; }
.search-bar input {
    flex: 1; min-width: 150px; background: none; border: none; outline: none;
    color: var(--text-primary); font-family: inherit; font-size: 0.82rem;
    padding: 0.3rem 0.3rem;
}
.search-bar input::placeholder { color: var(--text-muted); }
.search-tags { display: flex; gap: 0.3rem; flex-wrap: wrap; }
.search-tag {
    display: flex; align-items: center; gap: 0.3rem;
    font-size: 0.68rem; font-weight: 600; padding: 0.15rem 0.5rem;
    border-radius: 6px; cursor: pointer; transition: opacity var(--transition);
    white-space: nowrap;
}
.search-tag:hover { opacity: 0.7; }
.search-tag .tag-remove { font-size: 0.8rem; line-height: 1; margin-left: 0.1rem; }

/* Bug card tags */
.bug-tags { display: flex; gap: 0.35rem; flex-wrap: wrap; margin-top: 0.3rem; }
.bug-tag {
    font-size: 0.62rem; font-weight: 600; padding: 0.1rem 0.4rem;
    border-radius: 5px; letter-spacing: 0.02em; white-space: nowrap;
}
.bug-tag.tag-client { background: rgba(6,182,212,0.15); color: #06b6d4; }
.bug-tag.tag-version { background: rgba(139,92,246,0.15); color: #a78bfa; }
.bug-tag.tag-resolved { background: rgba(34,197,94,0.15); color: var(--success); }
.bug-tag.tag-creator { background: rgba(99,102,241,0.15); color: var(--accent-hover); }
.bug-tag.tag-assignee { background: rgba(249,115,22,0.15); color: var(--warning); }

/* Filter buttons */
.filter-group { display: flex; gap: 0.25rem; background: var(--bg-card); border-radius: var(--radius); padding: 0.2rem; }
.filter-btn {
    background: none; border: none; color: var(--text-muted); cursor: pointer;
    padding: 0.35rem 0.7rem; border-radius: 8px; font-size: 0.75rem;
    font-family: inherit; transition: all var(--transition); font-weight: 500;
}
.filter-btn:hover { color: var(--text-secondary); }
.filter-btn.active { background: var(--accent); color: white; }

#sort-select {
    background: var(--bg-card); border: 1px solid var(--border); color: var(--text-secondary);
    padding: 0.35rem 0.6rem; border-radius: var(--radius); font-size: 0.73rem;
    font-family: inherit; cursor: pointer; outline: none;
    transition: all var(--transition);
}
#sort-select:hover, #sort-select:focus { border-color: var(--accent); color: var(--text-primary); }
#sort-select option { background: var(--bg-secondary); color: var(--text-primary); }

/* ===== BUG CARDS ===== */
.bug-list { display: flex; flex-direction: column; gap: 0.5rem; }

.bug-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.2rem;
    display: flex; align-items: flex-start; gap: 1rem;
    cursor: pointer;
    transition: all var(--transition);
    animation: slideIn 0.3s ease;
}
.bug-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.bug-status-indicator {
    width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
    margin-top: 0.35rem;
}
.bug-status-indicator.new { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.bug-status-indicator.in-progress { background: var(--warning); box-shadow: 0 0 8px rgba(249,115,22,0.3); }
.bug-status-indicator.passed { background: var(--success); box-shadow: 0 0 8px rgba(34,197,94,0.3); }
.bug-status-indicator.failed { background: var(--danger); box-shadow: 0 0 8px rgba(244,63,94,0.3); }

.bug-info { flex: 1; min-width: 0; }
.bug-title-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.3rem; }
.bug-title { font-weight: 600; font-size: 0.9rem; }
.bug-priority {
    font-size: 0.65rem; font-weight: 600; padding: 0.1rem 0.45rem;
    border-radius: 6px; text-transform: uppercase; letter-spacing: 0.04em;
}
.bug-priority.critical { background: rgba(244,63,94,0.15); color: var(--danger); }
.bug-priority.high { background: rgba(249,115,22,0.15); color: var(--warning); }
.bug-priority.medium { background: rgba(234,179,8,0.15); color: var(--yellow); }
.bug-priority.low { background: rgba(34,197,94,0.15); color: var(--success); }

.bug-desc {
    font-size: 0.8rem; color: var(--text-secondary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    margin-bottom: 0.4rem;
}
.bug-meta {
    display: flex; align-items: center; gap: 0.8rem;
    font-size: 0.7rem; color: var(--text-muted);
}
.bug-meta-item { display: flex; align-items: center; gap: 0.25rem; }

.bug-card-actions {
    display: flex; gap: 0.3rem; opacity: 0; transition: opacity var(--transition);
    flex-shrink: 0;
}
.bug-card:hover .bug-card-actions { opacity: 1; }

/* ===== BUTTONS ===== */
.btn-icon {
    background: none; border: none; color: var(--text-muted); cursor: pointer;
    width: 30px; height: 30px; display: flex; align-items: center; justify-content: center;
    border-radius: 8px; transition: all var(--transition);
}
.btn-icon:hover { color: var(--text-primary); background: var(--border-hover); }

.btn-primary {
    background: var(--accent); color: white; border: none; cursor: pointer;
    padding: 0.5rem 1rem; border-radius: var(--radius);
    font-family: inherit; font-size: 0.8rem; font-weight: 600;
    display: flex; align-items: center; gap: 0.4rem;
    transition: all var(--transition);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-primary.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.75rem; }

.btn-secondary {
    background: var(--bg-card); color: var(--text-secondary); border: 1px solid var(--border);
    cursor: pointer; padding: 0.5rem 1rem; border-radius: var(--radius);
    font-family: inherit; font-size: 0.8rem; font-weight: 500;
    transition: all var(--transition);
}
.btn-secondary:hover { background: var(--bg-card-hover); color: var(--text-primary); }

.btn-danger {
    background: var(--danger); color: white; border: none; cursor: pointer;
    padding: 0.5rem 1rem; border-radius: var(--radius);
    font-family: inherit; font-size: 0.8rem; font-weight: 600;
    transition: all var(--transition);
}
.btn-danger:hover { background: var(--danger-hover); }

/* ===== MODALS ===== */
.modal-overlay {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity 0.25s ease;
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
#modal-confirm { z-index: 1500; }

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%; max-width: 460px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    transform: translateY(20px) scale(0.97);
    transition: transform 0.25s ease;
}
.modal-overlay.show .modal { transform: translateY(0) scale(1); }
.modal-lg { max-width: 560px; }
.modal-xl { max-width: 720px; }
.modal-sm { max-width: 380px; }

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.2rem; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 700; }
.modal-body { padding: 1.2rem; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 0.5rem;
    padding: 0.8rem 1.2rem; border-top: 1px solid var(--border);
}

/* ===== FORMS ===== */
.form-group { margin-bottom: 0.9rem; }
.form-group label {
    display: block; font-size: 0.75rem; font-weight: 600;
    color: var(--text-secondary); margin-bottom: 0.35rem;
    text-transform: uppercase; letter-spacing: 0.04em;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%; background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 0.6rem 0.8rem;
    color: var(--text-primary); font-family: inherit; font-size: 0.85rem;
    transition: border-color var(--transition);
    outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--accent);
}
.form-group textarea { resize: vertical; }
.form-group select { cursor: pointer; }

.form-row { display: flex; gap: 0.8rem; }
.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

/* Color picker */
.color-picker { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.color-swatch {
    width: 28px; height: 28px; border-radius: 50%; border: 2px solid transparent;
    cursor: pointer; transition: all var(--transition);
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.active { border-color: white; box-shadow: 0 0 10px rgba(255,255,255,0.2); }

/* ===== DETAIL MODAL ===== */
.detail-body { display: flex; gap: 1.2rem; }
.detail-main { flex: 1.2; }
.detail-sidebar { flex: 1; border-left: 1px solid var(--border); padding-left: 1.2rem; }
.detail-sidebar h4 { font-size: 0.8rem; font-weight: 700; margin-bottom: 0.8rem; color: var(--text-secondary); }

.detail-meta {
    display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1rem;
}
.detail-tag {
    font-size: 0.72rem; padding: 0.25rem 0.6rem;
    border-radius: 8px; font-weight: 600;
    background: var(--bg-card); border: 1px solid var(--border);
}
.detail-description {
    font-size: 0.85rem; line-height: 1.6; color: var(--text-secondary);
    white-space: pre-wrap;
}

/* Comments */
.comments-list { display: flex; flex-direction: column; gap: 0.6rem; max-height: 250px; overflow-y: auto; margin-bottom: 0.8rem; }
.comment-item {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 0.6rem 0.8rem; font-size: 0.8rem;
    animation: slideIn 0.2s ease;
}
.comment-date { font-size: 0.65rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.comment-text { color: var(--text-secondary); line-height: 1.5; }
.comment-form { display: flex; flex-direction: column; gap: 0.5rem; }
.comment-form textarea {
    width: 100%; background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 0.5rem 0.7rem;
    color: var(--text-primary); font-family: inherit; font-size: 0.8rem;
    resize: none; outline: none;
}
.comment-form textarea:focus { border-color: var(--accent); }
.no-comments { font-size: 0.78rem; color: var(--text-muted); text-align: center; padding: 1.5rem 0; }

/* ===== AUTH SCREEN ===== */
.auth-screen {
    position: fixed; inset: 0; z-index: 2000;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-primary);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.auth-screen.hidden {
    opacity: 0; pointer-events: none; transform: scale(1.05);
}

.auth-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    width: 90%; max-width: 400px;
    box-shadow: 0 20px 80px rgba(99,102,241,0.12), 0 8px 32px rgba(0,0,0,0.4);
    animation: authSlideUp 0.5s ease;
}
@keyframes authSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-logo {
    text-align: center; margin-bottom: 1.8rem;
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.auth-logo h1 { font-size: 1.5rem; font-weight: 800; }
.auth-subtitle { font-size: 0.8rem; color: var(--text-muted); }

.auth-form h2 {
    font-size: 1.1rem; font-weight: 700; margin-bottom: 1.2rem; text-align: center;
}
.auth-btn {
    width: 100%; justify-content: center; padding: 0.7rem;
    font-size: 0.9rem; margin-top: 0.3rem;
}
.auth-switch {
    text-align: center; font-size: 0.8rem; color: var(--text-muted); margin-top: 1rem;
}
.auth-switch a {
    color: var(--accent); text-decoration: none; font-weight: 600;
    transition: color var(--transition);
}
.auth-switch a:hover { color: var(--accent-hover); }

.auth-error {
    font-size: 0.78rem; color: var(--danger); text-align: center;
    min-height: 1.2rem; margin-bottom: 0.3rem;
    animation: shake 0.3s ease;
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ===== USER MENU ===== */
.user-menu {
    display: flex; align-items: center; gap: 0.5rem;
    padding-left: 1rem; margin-left: 1rem;
    border-left: 1px solid var(--border);
}
.user-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 700; color: white;
    text-transform: uppercase; flex-shrink: 0;
}
.user-name {
    font-size: 0.8rem; font-weight: 600; color: var(--text-secondary);
    max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ===== COMMENT AUTHOR ===== */
.comment-author {
    font-weight: 600; color: var(--accent); margin-right: 0.4rem;
}
.bug-creator {
    font-size: 0.7rem; color: var(--text-muted);
    display: flex; align-items: center; gap: 0.25rem;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }
/* ===== RESPONSIVE ===== */

/* Mobile menu toggle button */
.btn-sidebar-toggle {
    display: none; background: none; border: none; color: var(--text-secondary);
    cursor: pointer; padding: 0.3rem; border-radius: 6px; transition: all var(--transition);
}
.btn-sidebar-toggle:hover { color: var(--text-primary); background: var(--border-hover); }

/* Tablet: <=900px */
@media (max-width: 900px) {
    .header-search { max-width: 280px; min-width: 120px; }
    .stats-bar { gap: 0.6rem; }
    .stat-value { font-size: 0.9rem; }
    .stat-label { font-size: 0.55rem; }
    .user-name { display: none; }
    .user-role-badge { display: none !important; }
    .sidebar { width: 220px; min-width: 220px; }
    .content { padding: 1rem; }
    .bug-area-header { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
    .bug-area-actions { width: 100%; flex-wrap: wrap; }
    .filter-group { flex-wrap: wrap; }
    .detail-body { flex-direction: column; }
    .detail-sidebar { border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 1rem; }
    .form-row { flex-direction: column; }
}

/* Mobile: <=640px */
@media (max-width: 640px) {
    html { font-size: 14px; }

    .btn-sidebar-toggle { display: flex; }

    .app-header {
        padding: 0.5rem 0.8rem; gap: 0.4rem; flex-wrap: wrap;
    }
    .logo h1 { font-size: 1rem; }
    .header-search { order: 10; flex: 1 1 100%; max-width: 100%; min-width: 0; margin-top: 0.3rem; }
    .header-right { margin-left: auto; }
    .stats-bar { display: none; }
    .user-menu { padding-left: 0.5rem; margin-left: 0.5rem; }

    .app-main { height: calc(100vh - 85px); position: relative; }

    /* Sidebar as overlay */
    .sidebar {
        position: fixed; top: 0; left: 0; bottom: 0;
        width: 280px; max-width: 85vw;
        z-index: 200;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: none;
    }
    .sidebar .sidebar-section-header h2 { color: var(--text-primary); font-weight: 800; }
    .sidebar .filter-item,
    .sidebar .sidebar-item { color: var(--text-primary); font-weight: 600; }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 20px var(--shadow);
    }

    /* Overlay backdrop */
    .sidebar-backdrop {
        display: none; position: fixed; inset: 0;
        background: color-mix(in srgb, var(--bg-primary) 50%, transparent);
        z-index: 199;
    }
    .sidebar-backdrop.visible { display: block; }

    .content { padding: 0.8rem; }
    .bug-area-header { flex-direction: column; gap: 0.5rem; }
    .bug-area-actions { width: 100%; flex-wrap: wrap; gap: 0.5rem; }
    .filter-group { flex-wrap: wrap; gap: 0.2rem; }
    .filter-btn { font-size: 0.65rem; padding: 0.25rem 0.5rem; }

    #sort-select { font-size: 0.72rem; }
    #btn-add-bug { font-size: 0.75rem; padding: 0.4rem 0.8rem; }

    .bug-card { padding: 0.7rem; }
    .bug-card-title { font-size: 0.85rem; }
    .bug-meta { gap: 0.3rem; }

    .modal { width: 95%; max-height: 90vh; }
    .modal-lg, .modal-xl { width: 98%; }

    .search-bar { flex-direction: column; }
    .search-bar input { font-size: 0.8rem; }

    /* Mobile: always show action buttons (no hover on touch) */
    .bug-card-actions { opacity: 1 !important; }
    .sidebar-item .item-actions { opacity: 1 !important; }
    .sidebar-item .item-count { display: none; }

    /* Bigger tap targets */
    .bug-card { padding: 0.9rem; cursor: pointer; min-height: 60px; }
    .sidebar-item { padding: 0.6rem 0.8rem; min-height: 42px; }
    .filter-item { padding: 0.5rem 0.7rem; min-height: 38px; }
    .item-action-btn { min-width: 32px; min-height: 32px; padding: 0.3rem; }
    .btn-icon { min-width: 36px; min-height: 36px; }
    .btn-theme { min-width: 36px; min-height: 36px; font-size: 18px; }

    /* Ensure add-bug button is visible and tappable */
    #btn-add-bug { min-height: 40px; }

    /* User menu buttons */
    .user-menu { gap: 0.2rem; }
}