/* ──────────────────────────────────────────────────────────────────────────
   iDeep WhatsApp Bot — Control Panel
   v1.2 — WhatsApp-green palette, polished glass surfaces, refined typography.
   ────────────────────────────────────────────────────────────────────────── */

:root {
    /* WhatsApp-inspired palette */
    --wa-green:        #25D366;   /* primary */
    --wa-green-soft:   #4DDB7A;
    --wa-green-deep:   #128C7E;   /* hover / secondary */
    --wa-teal:         #075E54;   /* deep accent */
    --wa-teal-bright:  #0E8478;

    --bg-primary:    #0b141a;     /* WhatsApp dark background */
    --bg-secondary:  #111b21;
    --bg-card:       #182229;
    --bg-card-hi:    #1f2c33;
    --bg-input:      #2a3942;
    --bg-input-hi:   #344049;

    --text-primary:   #e9edef;
    --text-secondary: #aebac1;
    --text-muted:     #7c8a93;

    --accent:        var(--wa-green);
    --accent-hover:  var(--wa-green-soft);
    --accent-deep:   var(--wa-green-deep);
    --accent-glow:   rgba(37, 211, 102, 0.22);

    --success: #25D366;
    --warning: #ffb300;
    --danger:  #ff4d4f;

    --border:        #2a3942;
    --border-light:  #3a4951;

    --radius:    14px;
    --radius-sm: 10px;
    --radius-pill: 999px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow:    0 8px 28px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.45);

    --transition: all 0.18s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html, body { height: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(37, 211, 102, 0.10), transparent 60%),
        radial-gradient(900px 500px at -10% 110%, rgba(18, 140, 126, 0.10), transparent 60%),
        var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

code, pre, .code-block { font-family: 'JetBrains Mono', monospace; }

/* ─── Layout ──────────────────────────────────────────────────────────── */

.app-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.header-left { display: flex; align-items: center; gap: 14px; }

.logo { display: flex; align-items: center; gap: 12px; }

.logo-icon {
    font-size: 22px;
    width: 38px; height: 38px;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--wa-green), var(--wa-green-deep));
    border-radius: 12px;
    box-shadow: 0 6px 22px var(--accent-glow);
    color: white;
}

.logo h1 {
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, #ffffff 0%, var(--wa-green-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.version-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    background: rgba(37, 211, 102, 0.12);
    border: 1px solid rgba(37, 211, 102, 0.25);
    border-radius: var(--radius-pill);
    color: var(--wa-green-soft);
    letter-spacing: 0.02em;
}

.header-right { display: flex; align-items: center; gap: 16px; }

.connection-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    background: var(--bg-card);
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--danger);
    transition: var(--transition);
}
.status-dot.connected {
    background: var(--success);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.18);
}
.status-dot.connecting {
    background: var(--warning);
    animation: pulse 1.4s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}

/* ─── Buttons ─────────────────────────────────────────────────────────── */

.btn {
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    line-height: 1;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
    background: linear-gradient(135deg, var(--wa-green), var(--wa-green-deep));
    color: white;
    box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover {
    box-shadow: 0 6px 22px rgba(37, 211, 102, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--bg-input-hi);
}

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #ff6b6e; }

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm  { padding: 6px 12px; font-size: 12px; border-radius: 8px; }
.btn-full { width: 100%; }

/* ─── Forms ───────────────────────────────────────────────────────────── */

.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea,
.form-group select,
.form-row input,
.form-row select {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.form-row input:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-input-hi);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder,
.form-row input::placeholder { color: var(--text-muted); }

.form-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
    margin-bottom: 12px;
}
.form-row > * { flex: 1; }
.form-row .btn { flex: 0 0 auto; }

.field-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.field-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.field-label-row label { margin-bottom: 0; }

.form-group input:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* ─── Toggle switch ───────────────────────────────────────────────────── */

.toggle-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
}
.toggle-group label:first-child {
    margin-bottom: 0;
    color: var(--text-primary);
    font-weight: 500;
}

.toggle {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
    flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #3a4951;
    border-radius: 26px;
    transition: var(--transition);
}
.toggle-slider:before {
    content: "";
    position: absolute;
    height: 20px; width: 20px;
    left: 3px; bottom: 3px;
    background: #b8c5cc;
    border-radius: 50%;
    transition: var(--transition);
}
.toggle input:checked + .toggle-slider {
    background: var(--wa-green);
    box-shadow: 0 0 14px rgba(37, 211, 102, 0.4);
}
.toggle input:checked + .toggle-slider:before {
    transform: translateX(20px);
    background: white;
}

.toggle-sm { width: 34px; height: 20px; }
.toggle-sm .toggle-slider:before { height: 14px; width: 14px; left: 3px; bottom: 3px; }
.toggle-sm input:checked + .toggle-slider:before { transform: translateX(14px); }

/* ─── Login screen ────────────────────────────────────────────────────── */

#loginScreen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.login-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, var(--wa-green), var(--wa-teal-bright), var(--wa-green));
}

.login-header { text-align: center; margin-bottom: 28px; }
.login-icon   { font-size: 40px; display: block; margin-bottom: 14px; }
.login-header h2 { font-size: 20px; margin-bottom: 8px; font-weight: 600; }
.login-header p  { color: var(--text-secondary); font-size: 14px; }

.login-footer {
    text-align: center;
    margin-top: 22px;
    font-size: 12px;
    color: var(--text-muted);
}
.login-footer code {
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--wa-green-soft);
}

/* ─── Tabs ────────────────────────────────────────────────────────────── */

.tab-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 28px;
    background: var(--bg-secondary);
    padding: 5px;
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    min-width: max-content;
    padding: 10px 18px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.tab-btn.active {
    background: linear-gradient(135deg, var(--wa-green), var(--wa-green-deep));
    color: white;
    box-shadow: 0 4px 14px var(--accent-glow);
}
.tab-btn:hover:not(.active) {
    color: var(--text-primary);
    background: var(--bg-input);
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.2s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Panels ──────────────────────────────────────────────────────────── */

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.panel:hover { border-color: var(--border-light); }

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    gap: 12px;
    flex-wrap: wrap;
}
.panel-header h3 {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.005em;
}
.panel-subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin: -10px 0 16px;
}
.panel h3  { font-size: 16px; font-weight: 600; margin-bottom: 14px; }
.panel h4  { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.04em; }

.panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 900px) {
    .panel-grid { grid-template-columns: 1fr; }
}

.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 28px; }

.section-divider {
    height: 1px;
    background: var(--border);
    margin: 18px 0;
}

/* ─── QR code ─────────────────────────────────────────────────────────── */

.qr-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 270px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    border: 1px dashed var(--border-light);
    padding: 16px;
}

.qr-placeholder { text-align: center; color: var(--text-muted); }

.qr-image {
    max-width: 240px;
    border-radius: 10px;
    background: white;
    padding: 8px;
}

.connected-badge { text-align: center; color: var(--success); }
.connected-badge span { font-size: 48px; display: block; margin-bottom: 8px; }

.qr-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.pair-code-section {
    border-top: 1px solid var(--border);
    padding-top: 16px;
}
.pair-code-form { display: flex; gap: 8px; }
.pair-code-form input {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
}
.pair-code-display {
    margin-top: 12px;
    padding: 16px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--wa-green-soft);
    font-family: 'JetBrains Mono', monospace;
}

/* ─── Status grid ─────────────────────────────────────────────────────── */

.status-grid { display: grid; gap: 10px; }
.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.status-item:hover { background: var(--bg-input-hi); }
.status-label { font-size: 13px; color: var(--text-secondary); }
.status-value { font-size: 13px; font-weight: 500; color: var(--text-primary); font-family: 'JetBrains Mono', monospace; }

/* ─── Messages ────────────────────────────────────────────────────────── */

.message-list {
    max-height: 460px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.message-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.message-item:hover { background: var(--bg-input); }
.message-item:last-child { border-bottom: none; }

.message-sender {
    font-size: 13px;
    font-weight: 600;
    color: var(--wa-green-soft);
    margin-bottom: 4px;
}
.message-text { font-size: 14px; color: var(--text-primary); margin-bottom: 4px; word-break: break-word; }
.message-time { font-size: 11px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

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

/* ─── Code block ──────────────────────────────────────────────────────── */

.code-block {
    background: #0b1216;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    overflow-x: auto;
}
.code-block code,
.code-block pre {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}
.code-block pre { color: var(--wa-green-soft); }

/* ─── Settings / info ─────────────────────────────────────────────────── */

.settings-info { display: grid; gap: 10px; }
.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    gap: 12px;
}
.info-label { font-size: 13px; color: var(--text-secondary); }
.info-item a { color: var(--wa-green-soft); text-decoration: none; font-size: 13px; }
.info-item a:hover { text-decoration: underline; }
.info-item code {
    font-size: 12px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
}
.manus-info p { color: var(--text-secondary); font-size: 14px; margin-bottom: 16px; }

/* ─── Cards: rules / personas / scheduled / webhooks ─────────────────── */

.list-block { margin-bottom: 16px; }

.card-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 14px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    transition: var(--transition);
    gap: 12px;
}
.card-row:hover { border-color: var(--border-light); background: var(--bg-input-hi); }

.card-row .card-info { flex: 1; min-width: 0; }
.card-row .card-info .title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    word-break: break-word;
}
.card-row .card-info .meta {
    font-size: 12px;
    color: var(--text-secondary);
    word-break: break-word;
}
.card-row .card-actions { display: flex; gap: 6px; flex-shrink: 0; }

.empty-state {
    padding: 22px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-sm);
}

.add-form {
    padding: 18px;
    background: rgba(37, 211, 102, 0.04);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-sm);
    margin-top: 6px;
}

/* Tag pills used inside card meta lines */
.pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 9px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-right: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.pill-green   { background: rgba(37, 211, 102, 0.12); color: var(--wa-green-soft); border-color: rgba(37, 211, 102, 0.25); }
.pill-teal    { background: rgba(14, 132, 120, 0.18); color: #5fd6c8;            border-color: rgba(14, 132, 120, 0.35); }
.pill-warn    { background: rgba(255, 179, 0, 0.15);  color: #ffce5c;            border-color: rgba(255, 179, 0, 0.35); }
.pill-danger  { background: rgba(255, 77, 79, 0.12);  color: #ff8588;            border-color: rgba(255, 77, 79, 0.30); }
.pill-muted   { background: var(--bg-secondary);      color: var(--text-muted); }

/* Quiet-hours and similar nested config blocks */
.subpanel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 12px;
}
.subpanel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: flex; align-items: center; gap: 8px;
}

/* LLM provider chip */
.llm-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    font-size: 12px;
    color: var(--text-secondary);
}
.llm-chip strong { color: var(--text-primary); font-weight: 600; }
.llm-chip.configured {
    border-color: rgba(37, 211, 102, 0.4);
    background: rgba(37, 211, 102, 0.08);
}
.llm-chip.configured strong { color: var(--wa-green-soft); }

/* ─── Toast notifications ─────────────────────────────────────────────── */

.toast-container {
    position: fixed;
    bottom: 22px;
    right: 22px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.toast {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: white;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow);
    min-width: 220px;
    transition: opacity 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.toast-success { background: linear-gradient(135deg, var(--wa-green), var(--wa-green-deep)); }
.toast-error   { background: linear-gradient(135deg, #ff5c5e, #c93538); }
.toast-info    { background: linear-gradient(135deg, var(--wa-teal-bright), var(--wa-teal)); }

@keyframes slideIn {
    from { transform: translateX(110%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

/* ─── Scrollbar ───────────────────────────────────────────────────────── */

::-webkit-scrollbar         { width: 8px; height: 8px; }
::-webkit-scrollbar-track   { background: transparent; }
::-webkit-scrollbar-thumb   { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Utilities ───────────────────────────────────────────────────────── */

.muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }
.flex-row { display: flex; gap: 8px; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.spacer { flex: 1; }

/* ─── Allowed Contacts (Permissions tab) ──────────────────────────────── */

.allowed-contact-item {
    align-items: flex-start;
    gap: 12px;
}

.allowed-contact-item .rule-info span {
    display: block;
    margin-top: 2px;
}

.rule-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.chip {
    display: inline-block;
    padding: 2px 10px;
    margin: 0 4px 4px 0;
    font-size: 11px;
    line-height: 1.7;
    background: var(--bg-card-hi);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
}

.chip-warn {
    border-color: var(--warning);
    color: var(--warning);
}

.chip-row {
    display: block;
    margin-top: 4px;
}

/* ─── Restore from backup ──────────────────────────────────────────────── */

.backup-supported-list {
    margin: 0 0 12px 18px;
    padding: 0;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.7;
}

input[type="file"] {
    width: 100%;
    padding: 10px;
    background: var(--bg-input);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-sm, 6px);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
}

input[type="file"]::file-selector-button {
    margin-right: 12px;
    padding: 6px 14px;
    background: var(--bg-card-hi);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill, 999px);
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
}

.backup-result {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: var(--radius-sm, 6px);
    font-size: 13px;
    line-height: 1.7;
    border: 1px solid var(--border-light);
    background: var(--bg-card-hi);
    color: var(--text-secondary);
}

.backup-result.success { border-color: var(--success); }
.backup-result.error   { border-color: var(--danger); color: var(--danger); }

/* ─── Conversation view ────────────────────────────────────────────────── */

.chat-layout {
    display: flex;
    height: 560px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm, 8px);
    overflow: hidden;
    background: var(--bg-secondary);
}

.chat-sidebar {
    width: 290px;
    min-width: 220px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    background: var(--bg-card);
}

.conv-filter {
    margin: 10px;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill, 999px);
    color: var(--text-primary);
    font-size: 13px;
}

.conv-list { flex: 1; overflow-y: auto; }

.conv-item {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background .12s;
}
.conv-item:hover  { background: var(--bg-card-hi); }
.conv-item.active { background: var(--bg-input); }

.conv-avatar {
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent-deep, #005c4b);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 15px;
}
.conv-avatar.group { background: var(--bg-input-hi); }

.conv-body { flex: 1; min-width: 0; }
.conv-top  { display: flex; justify-content: space-between; gap: 8px; }

.conv-name {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.conv-time { font-size: 11px; color: var(--text-muted); white-space: nowrap; }

.conv-preview {
    font-size: 12.5px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.chat-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.chat-main-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    min-height: 58px;
}
.chat-main-header .conv-sub { font-size: 12px; color: var(--text-muted); }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background:
        radial-gradient(circle at 20% 20%, rgba(37, 211, 102, 0.03), transparent 40%),
        var(--bg-secondary);
}

.chat-empty {
    margin: auto;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}
.chat-empty span { font-size: 34px; display: block; margin-bottom: 8px; }

.day-divider {
    text-align: center;
    margin: 12px 0 8px;
}
.day-divider span {
    background: var(--bg-card-hi);
    color: var(--text-muted);
    font-size: 11px;
    padding: 3px 12px;
    border-radius: var(--radius-pill, 999px);
}

.bubble-row { display: flex; }
.bubble-row.sent     { justify-content: flex-end; }
.bubble-row.received { justify-content: flex-start; }

.bubble {
    max-width: 72%;
    padding: 7px 10px 5px;
    border-radius: 10px;
    font-size: 13.5px;
    line-height: 1.45;
    box-shadow: 0 1px 1px rgba(0,0,0,.25);
}
.bubble-row.sent .bubble {
    background: var(--accent-deep, #005c4b);
    color: #e9edef;
    border-top-right-radius: 3px;
}
.bubble-row.received .bubble {
    background: var(--bg-card-hi);
    color: var(--text-primary);
    border-top-left-radius: 3px;
}

.bubble-sender {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 2px;
}

.bubble-text { white-space: pre-wrap; word-break: break-word; }
.bubble-text.media { color: var(--text-muted); font-style: italic; }

.bubble-time {
    font-size: 10px;
    color: rgba(233, 237, 239, 0.55);
    text-align: right;
    margin-top: 3px;
}
.bubble-row.received .bubble-time { color: var(--text-muted); }

.load-older { text-align: center; margin-bottom: 10px; }

.chat-send-row {
    display: flex;
    gap: 10px;
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
}
.chat-send-row input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill, 999px);
    color: var(--text-primary);
    font-size: 13.5px;
}

@media (max-width: 760px) {
    .chat-layout { flex-direction: column; height: auto; }
    .chat-sidebar { width: 100%; max-height: 240px; border-right: none; border-bottom: 1px solid var(--border); }
    .chat-messages { min-height: 320px; }
}

/* ─── Media messages ─────────────────────────────────────────────────── */

.bubble.has-media { padding: 6px; }
.bubble.has-media .bubble-text { padding: 4px 6px 0; }
.bubble.has-media .bubble-time { padding-right: 6px; }

.media-frame {
    position: relative;
    max-width: 260px;
    min-width: 120px;
    min-height: 80px;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.15);
    cursor: default;
}
.media-frame[data-action] { cursor: pointer; }
.media-frame .media-img {
    display: block;
    max-width: 100%;
    max-height: 320px;
    border-radius: 10px;
}
.media-frame.sticker { background: transparent; min-width: 0; min-height: 0; }
.media-frame.sticker .media-img { max-width: 140px; max-height: 140px; }
.media-frame.video.empty { width: 220px; height: 130px; }
.media-frame.failed { display: none; }

.media-play {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    pointer-events: none;
}
.media-duration {
    position: absolute;
    bottom: 6px; right: 8px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 8px;
    pointer-events: none;
}

.media-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(127, 127, 127, 0.12);
    font-size: 13px;
    color: var(--text-secondary);
    max-width: 260px;
    text-decoration: none;
}
.media-chip.clickable { cursor: pointer; color: var(--text-primary); }
.media-chip.clickable:hover { background: rgba(127, 127, 127, 0.22); }
.media-chip.inert { opacity: 0.75; }
.media-note {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: 4px;
    white-space: nowrap;
}

.media-audio { display: flex; flex-direction: column; gap: 2px; }
.media-audio-label { font-size: 12px; color: var(--text-muted); padding: 2px 6px 0; }
.media-audio audio { width: 240px; height: 36px; }

/* Composer attachment chip */
.attach-btn { padding: 8px 12px; }
.attach-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 6px 12px 0;
    padding: 5px 10px;
    border: 1px solid var(--border);
    border-radius: 16px;
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(127, 127, 127, 0.08);
    max-width: calc(100% - 24px);
}
.attach-chip-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attach-chip-clear {
    border: none; background: none; cursor: pointer;
    color: var(--text-muted); font-size: 15px; line-height: 1; padding: 0 2px;
}
.attach-chip-clear:hover { color: var(--text-primary); }

/* Lightbox */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-content {
    max-width: 92vw;
    max-height: 92vh;
    border-radius: 6px;
}
.lightbox-close {
    position: absolute;
    top: 14px; right: 20px;
    border: none; background: none;
    color: #fff; font-size: 32px; cursor: pointer;
    line-height: 1;
}
.lightbox-loading { color: #fff; font-size: 14px; }