@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --dark-card: #1e293b;
    --dark-border: #334155;
    --dark-text: #e2e8f0;
    --dark-muted: #94a3b8;
    --sidebar-w: 260px;
    --topbar-h: 64px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    min-height: 100vh;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--dark-card); }
::-webkit-scrollbar-thumb { background: var(--dark-border); border-radius: 3px; }

/* ── Sidebar ── */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: linear-gradient(180deg, #1a1f3a 0%, #0f172a 100%);
    border-right: 1px solid var(--dark-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-logo {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--dark-border);
}

.sidebar-logo .logo-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.sidebar-logo .logo-text {
    font-size: 14px;
    font-weight: 700;
    color: #f1f5f9;
    line-height: 1.3;
}

.sidebar-logo .logo-sub {
    font-size: 11px;
    color: var(--dark-muted);
    font-weight: 400;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--dark-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 8px 12px 4px;
    margin-top: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--dark-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-bottom: 2px;
}

.nav-item:hover {
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary-light);
    transform: translateX(2px);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(99,102,241,0.25), rgba(14,165,233,0.15));
    color: #fff;
    border: 1px solid rgba(99,102,241,0.3);
    box-shadow: 0 2px 8px rgba(99,102,241,0.2);
}

.nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--dark-border);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
    border: 1px solid var(--dark-border);
}

.user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 600; color: #f1f5f9; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--dark-muted); }

/* ── Main content ── */
.main-content {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-h);
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-title {
    font-size: 18px;
    font-weight: 600;
    color: #f1f5f9;
    flex: 1;
}

.page-content {
    flex: 1;
    padding: 24px;
}

/* ── Cards ── */
.card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.2s;
}

.card:hover { border-color: rgba(99,102,241,0.3); }

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: #f1f5f9;
}

/* ── Stats cards ── */
.stat-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    border-color: rgba(99,102,241,0.3);
}

.stat-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.purple { background: rgba(99,102,241,0.15); }
.stat-icon.blue { background: rgba(14,165,233,0.15); }
.stat-icon.green { background: rgba(16,185,129,0.15); }
.stat-icon.amber { background: rgba(245,158,11,0.15); }

.stat-value { font-size: 28px; font-weight: 700; color: #f1f5f9; line-height: 1; }
.stat-label { font-size: 12px; color: var(--dark-muted); margin-top: 4px; }

/* ── Buttons ── */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99,102,241,0.4);
    color: #fff;
    text-decoration: none;
}

.btn-secondary {
    background: rgba(255,255,255,0.06);
    color: var(--dark-text);
    border: 1px solid var(--dark-border);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    text-decoration: none;
}

.btn-danger {
    background: rgba(239,68,68,0.15);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,0.3);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger:hover { background: rgba(239,68,68,0.3); }

.btn-success {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-success:hover { filter: brightness(1.1); color: #fff; text-decoration: none; }

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366, #128c7e);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-whatsapp:hover { filter: brightness(1.1); color: #fff; text-decoration: none; }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px; border-radius: 6px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--dark-muted);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--dark-text);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
    background: rgba(99,102,241,0.05);
}

.form-control::placeholder { color: #475569; }

textarea.form-control { resize: vertical; min-height: 80px; }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control { border-radius: 8px 0 0 8px; }
.input-group .btn-primary { border-radius: 0 8px 8px 0; }

.form-check { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.form-check-input { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }
.form-check-label { font-size: 13px; color: var(--dark-text); cursor: pointer; }

.validation-message { font-size: 12px; color: #fca5a5; margin-top: 4px; }

/* ── Tables ── */
.table-container {
    overflow-x: auto;
    border-radius: 8px;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

table.data-table th {
    background: rgba(255,255,255,0.04);
    color: var(--dark-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--dark-border);
}

table.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(51,65,85,0.5);
    color: var(--dark-text);
    vertical-align: middle;
}

table.data-table tr:hover td { background: rgba(99,102,241,0.05); }
table.data-table tr:last-child td { border-bottom: none; }

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    gap: 4px;
}

.badge-success { background: rgba(16,185,129,0.15); color: #6ee7b7; border: 1px solid rgba(16,185,129,0.2); }
.badge-warning { background: rgba(245,158,11,0.15); color: #fcd34d; border: 1px solid rgba(245,158,11,0.2); }
.badge-danger { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.2); }
.badge-info { background: rgba(14,165,233,0.15); color: #7dd3fc; border: 1px solid rgba(14,165,233,0.2); }
.badge-purple { background: rgba(99,102,241,0.15); color: #a5b4fc; border: 1px solid rgba(99,102,241,0.2); }
.badge-muted { background: rgba(148,163,184,0.1); color: var(--dark-muted); border: 1px solid var(--dark-border); }

/* ── Sticky Note Canvas ── */
.sticky-canvas {
    position: relative;
    min-height: 600px;
    background: 
        radial-gradient(circle at 25px 25px, rgba(99,102,241,0.03) 1px, transparent 0),
        radial-gradient(circle at 75px 75px, rgba(99,102,241,0.03) 1px, transparent 0);
    background-size: 100px 100px;
    border-radius: 12px;
    border: 1px dashed var(--dark-border);
    overflow: hidden;
}

.sticky-note {
    position: absolute;
    width: 260px;
    min-height: 140px;
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3), 0 1px 4px rgba(0,0,0,0.2);
    cursor: grab;
    user-select: none;
    transition: box-shadow 0.2s, transform 0.1s;
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.sticky-note:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    z-index: 20;
}

.sticky-note.dragging {
    cursor: grabbing;
    transform: rotate(2deg) scale(1.02);
    box-shadow: 0 16px 40px rgba(0,0,0,0.5);
    z-index: 100;
}

.sticky-note-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.sticky-note-meta {
    font-size: 10px;
    opacity: 0.7;
    line-height: 1.4;
}

.sticky-note-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.sticky-note:hover .sticky-note-actions { opacity: 1; }

.sticky-note-btn {
    width: 22px; height: 22px;
    border: none;
    border-radius: 4px;
    background: rgba(0,0,0,0.2);
    color: inherit;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px;
    transition: background 0.2s;
}

.sticky-note-btn:hover { background: rgba(0,0,0,0.35); }

.sticky-note-body {
    flex: 1;
    font-size: 13px;
    line-height: 1.5;
    word-break: break-word;
}

.sticky-note-body img {
    max-width: 100%;
    border-radius: 4px;
    pointer-events: none;
}

.sticky-note-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
}

.sticky-note-body table td,
.sticky-note-body table th {
    border: 1px solid rgba(0,0,0,0.2);
    padding: 3px 6px;
}

.sticky-note-footer {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sticky-note-type-badge {
    font-size: 10px;
    background: rgba(0,0,0,0.15);
    padding: 1px 6px;
    border-radius: 10px;
}

.note-edit-area {
    width: 100%;
    background: rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.2);
    border-radius: 4px;
    padding: 4px;
    font-size: 13px;
    resize: none;
    min-height: 60px;
    color: inherit;
    font-family: 'Inter', sans-serif;
}

.note-edit-area:focus { outline: none; }

/* Add Note Panel */
.add-note-panel {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.note-type-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}

.note-type-tab {
    padding: 7px 14px;
    border-radius: 20px;
    border: 1px solid var(--dark-border);
    background: transparent;
    color: var(--dark-muted);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.note-type-tab.active,
.note-type-tab:hover {
    background: rgba(99,102,241,0.15);
    border-color: var(--primary);
    color: var(--primary-light);
}

/* Speech recognition */
.speech-btn {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: #fca5a5;
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.speech-btn.recording {
    background: rgba(239,68,68,0.25);
    border-color: #ef4444;
    color: #fff;
    animation: pulse-red 1.5s ease-in-out infinite;
}

@keyframes pulse-red {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
    50% { box-shadow: 0 0 0 8px rgba(239,68,68,0); }
}

/* Color picker for notes */
.color-picker {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.color-option {
    width: 28px; height: 28px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.15s;
}

.color-option:hover, .color-option.selected {
    border-color: #fff;
    transform: scale(1.15);
}

/* ── Alerts ── */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.2);
    color: #6ee7b7;
}

.alert-danger {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.2);
    color: #fca5a5;
}

.alert-info {
    background: rgba(14,165,233,0.1);
    border: 1px solid rgba(14,165,233,0.2);
    color: #7dd3fc;
}

/* ── Autocomplete ── */
.autocomplete-container { position: relative; }

.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0; right: 0;
    background: #253047;
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    z-index: 200;
    max-height: 240px;
    overflow-y: auto;
    display: none;
}

.autocomplete-dropdown.open { display: block; }

.autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    transition: background 0.15s;
    font-size: 13px;
}

.autocomplete-item:hover { background: rgba(99,102,241,0.15); }
.autocomplete-item-name { font-weight: 500; color: #f1f5f9; }
.autocomplete-item-sub { font-size: 11px; color: var(--dark-muted); margin-top: 1px; }

/* ── Page header ── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--dark-border);
}

.page-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: #f1f5f9;
}

.page-header .breadcrumb {
    font-size: 12px;
    color: var(--dark-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
}

.page-header .breadcrumb a { color: var(--primary-light); text-decoration: none; }

/* ── Grid ── */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ── Filter bar ── */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
}

.filter-bar .form-control { max-width: 200px; }

/* ── Tag chips ── */
.tag-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(99,102,241,0.12);
    border: 1px solid rgba(99,102,241,0.25);
    border-radius: 20px;
    font-size: 12px;
    color: var(--primary-light);
    cursor: pointer;
    transition: all 0.2s;
}

.tag-chip.selected {
    background: rgba(99,102,241,0.3);
    border-color: var(--primary);
    color: #fff;
}

.tag-chip:hover { background: rgba(99,102,241,0.2); }

/* ── Login page ── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 30% 50%, rgba(99,102,241,0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 20%, rgba(14,165,233,0.08) 0%, transparent 50%),
                #0f172a;
}

.login-card {
    background: rgba(30,41,59,0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--dark-border);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 16px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 30px;
    margin-bottom: 12px;
    box-shadow: 0 8px 30px rgba(99,102,241,0.4);
}

.login-logo h1 { font-size: 22px; font-weight: 700; color: #f1f5f9; }
.login-logo p { font-size: 13px; color: var(--dark-muted); margin-top: 4px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* ── Mobile overlay ── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(2px);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.sidebar-overlay.open {
    opacity: 1;
}

/* ── Sidebar close button (mobile only) ── */
.sidebar-close-btn {
    display: none;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--dark-border);
    color: var(--dark-muted);
    border-radius: 6px;
    width: 28px; height: 28px;
    cursor: pointer;
    font-size: 13px;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}
.sidebar-close-btn:hover {
    background: rgba(239,68,68,0.15);
    color: #fca5a5;
    border-color: rgba(239,68,68,0.3);
}

/* ── Hamburger toggle ── */
.sidebar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}
.sidebar-toggle span {
    display: block;
    width: 18px; height: 2px;
    background: var(--dark-text);
    border-radius: 2px;
    transition: all 0.25s;
}
.sidebar-toggle:hover { background: rgba(99,102,241,0.15); border-color: var(--primary); }

/* ── Topbar actions ── */
.topbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Misc utilities ── */
.text-muted { color: var(--dark-muted) !important; }
.text-success { color: #6ee7b7 !important; }
.text-danger { color: #fca5a5 !important; }
.text-warning { color: #fcd34d !important; }
.text-primary { color: var(--primary-light) !important; }
.fw-bold { font-weight: 700; }
.fw-medium { font-weight: 500; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Animations ── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.3s ease; }

/* ── Loading spinner ── */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid rgba(99,102,241,0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Modal ── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.modal-backdrop.open {
    opacity: 1;
    pointer-events: all;
}
.modal {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 28px;
    width: 90%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 0.2s;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.modal-backdrop.open .modal { transform: scale(1); }
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--dark-border);
}
.modal-title { font-size: 16px; font-weight: 600; color: #f1f5f9; }
.modal-close {
    width: 28px; height: 28px;
    background: rgba(255,255,255,0.06);
    border: none;
    border-radius: 6px;
    color: var(--dark-muted);
    cursor: pointer;
    font-size: 16px;
    display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: rgba(239,68,68,0.15); color: #fca5a5; }

/* Audio player in sticky */
.sticky-audio audio {
    width: 100%;
    height: 32px;
}

/* ============================================
   TABLET — max-width: 1024px
   ============================================ */
@media (max-width: 1024px) {
    .page-content { padding: 20px 16px; }
    .filter-bar .form-control { max-width: 160px; }
    .stat-value { font-size: 22px; }
}

/* ============================================
   MOBILE — max-width: 768px
   ============================================ */
@media (max-width: 768px) {

    /* Sidebar */
    .sidebar {
        transform: translateX(-100%);
        z-index: 200;
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 30px rgba(0,0,0,0.5);
    }
    .sidebar-overlay { display: block; }
    .sidebar-close-btn { display: flex; }

    /* Main content */
    .main-content { margin-left: 0; }

    /* Topbar */
    .topbar { padding: 0 12px; gap: 10px; }
    .topbar-title { font-size: 15px; }
    .sidebar-toggle { display: flex; }
    .btn-label { display: none; }     /* emoji kalsın, metin gitsin */

    /* Page content */
    .page-content { padding: 16px 12px; }

    /* Page header */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 16px;
    }
    .page-header h1 { font-size: 18px; }
    .page-header > div { width: 100%; display: flex; flex-wrap: wrap; gap: 8px; }

    /* Grids → tek sütun */
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

    /* Stat cards */
    .stat-card { padding: 14px; gap: 12px; }
    .stat-icon { width: 40px; height: 40px; font-size: 18px; }
    .stat-value { font-size: 22px; }

    /* Cards */
    .card { padding: 14px; }
    .card-header { flex-wrap: wrap; gap: 8px; }

    /* Tables → horizontal scroll */
    .table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 8px; }
    table.data-table { min-width: 500px; font-size: 12px; }
    table.data-table th, table.data-table td { padding: 8px 10px; }

    /* Filter bar */
    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-bar .form-control { max-width: 100%; }
    .filter-bar .btn-primary,
    .filter-bar .btn-secondary { width: 100%; justify-content: center; }

    /* Forms */
    .form-control { font-size: 16px; /* iOS zoom engeli */ }
    .input-group { flex-direction: column; }
    .input-group .form-control { border-radius: 8px; }
    .input-group .btn-primary { border-radius: 8px; width: 100%; justify-content: center; }

    /* Buttons */
    .btn-primary, .btn-secondary, .btn-success, .btn-whatsapp {
        min-height: 44px; /* dokunma hedefi */
    }

    /* Sticky note canvas → mobilde liste düzeni */
    .sticky-canvas {
        min-height: auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
        padding: 12px;
        background: transparent;
        border: none;
    }
    .sticky-note {
        position: relative !important;
        left: auto !important;
        top: auto !important;
        width: 100% !important;
        cursor: default;
    }
    .sticky-note.dragging {
        transform: none;
    }
    .sticky-note-actions { opacity: 1; } /* mobilde her zaman göster */

    /* Add note panel */
    .add-note-panel { padding: 14px; }
    .note-type-tabs { flex-wrap: wrap; gap: 6px; }
    .note-type-tab { flex: 1; min-width: 80px; justify-content: center; }

    /* Speech btn */
    .speech-btn { width: 100%; justify-content: center; padding: 12px; }

    /* Color picker */
    .color-picker { gap: 12px; }
    .color-option { width: 36px; height: 36px; } /* daha büyük dokunma hedefi */

    /* Tag chips */
    .tag-chip { padding: 8px 12px; font-size: 13px; }

    /* Modal */
    .modal { padding: 20px 16px; width: 100%; max-width: 100%; border-radius: 16px 16px 0 0; }
    .modal-backdrop { align-items: flex-end; padding: 0; }
    .modal-backdrop.open .modal { transform: scale(1); }

    /* Autocomplete dropdown */
    .autocomplete-dropdown { position: fixed; left: 12px; right: 12px; top: auto; }

    /* Login */
    .login-card { padding: 28px 20px; }
}

/* ============================================
   SMALL PHONE — max-width: 400px
   ============================================ */
@media (max-width: 400px) {
    .topbar-actions { display: none; } /* Çok küçük ekranlarda topbar butonları gizle */
    .stat-value { font-size: 20px; }
    .page-content { padding: 12px 10px; }
    .card { padding: 12px; }
    .note-type-tab { font-size: 11px; padding: 6px 8px; }
    .badge { font-size: 10px; padding: 2px 6px; }
}