/* =====================================================
   WhatsApp API Dashboard - style.css
   ===================================================== */

/* ---------- CSS Variables (Design Tokens) ---------- */
:root {
    --bg-base:        #0d1117;
    --bg-surface:     #161b22;
    --bg-card:        #1c2230;
    --bg-card-hover:  #212840;
    --bg-sidebar:     #111827;
    --border:         #2d3748;
    --border-light:   #374151;

    --accent:         #25D366;
    --accent-dark:    #1da851;
    --accent-glow:    rgba(37, 211, 102, 0.25);

    --primary:        #3b82f6;
    --primary-dark:   #2563eb;
    --primary-glow:   rgba(59, 130, 246, 0.25);

    --danger:         #ef4444;
    --danger-dark:    #dc2626;
    --warning:        #f59e0b;
    --info:           #06b6d4;

    --text-primary:   #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted:     #64748b;

    --sidebar-width:  260px;
    --topbar-height:  64px;
    --radius:         12px;
    --radius-sm:      8px;
    --radius-lg:      16px;

    --shadow:         0 4px 20px rgba(0,0,0,0.4);
    --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
    --shadow-lg:      0 8px 40px rgba(0,0,0,0.5);

    --transition:     0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font:           'Tajawal', sans-serif;
}

/* ---------- Base Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg-base);
    color: var(--text-primary);
    direction: rtl;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
button, input, select, textarea { font-family: var(--font); }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* =============================================
   SIDEBAR
   ============================================= */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition);
    overflow: hidden;
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    box-shadow: 0 4px 14px var(--accent-glow);
    flex-shrink: 0;
}

.logo-title {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.logo-sub {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Nav */
.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.nav-section-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    padding: 0.5rem 0.5rem 0.25rem;
    margin-bottom: 0.25rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.875rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: 0.125rem;
    position: relative;
}
.nav-item i {
    width: 18px;
    text-align: center;
    font-size: 0.95rem;
}
.nav-item:hover {
    background: rgba(255,255,255,0.07);
    color: var(--text-primary);
}
.nav-item.active {
    background: linear-gradient(135deg, rgba(37,211,102,0.18), rgba(37,211,102,0.08));
    color: var(--accent);
    font-weight: 600;
}
.nav-item.active i { color: var(--accent); }

.nav-badge {
    margin-right: auto;
    background: var(--accent);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
}

/* Footer */
.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

/* =============================================
   STATUS INDICATOR
   ============================================= */
.server-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
    transition: background var(--transition);
}
.status-dot.connected { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); animation: pulse 2s infinite; }
.status-dot.disconnected { background: var(--danger); }
.status-dot.checking { background: var(--warning); animation: pulse 1s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* =============================================
   MAIN WRAPPER + TOPBAR
   ============================================= */
.main-wrapper {
    margin-right: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    height: var(--topbar-height);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
}

.topbar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.topbar-toggle:hover { background: var(--border); color: var(--text-primary); }

.topbar-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.topbar-status { font-size: 0.78rem; }

/* =============================================
   CONTENT AREA + SECTIONS
   ============================================= */
.content-area {
    flex: 1;
    padding: 1.75rem;
    overflow-y: auto;
}

.section { display: none; }
.section.active { display: block; animation: fadeIn 0.3s ease; }

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

.section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}
.section-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}
.section-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* =============================================
   CARDS
   ============================================= */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-light); }

.card-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
}
.card-header-icon { color: var(--accent); font-size: 1rem; }
.card-header-tools { display: flex; align-items: center; gap: 0.5rem; }

.card-body { padding: 1.25rem; }
.card-body.no-pad { padding: 0; }

.form-card { border-color: var(--accent); box-shadow: 0 0 20px var(--accent-glow); }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: var(--primary-dark);
}
.btn-primary:not(:disabled):hover {
    background: linear-gradient(135deg, #4f93ff, var(--primary));
    box-shadow: 0 4px 15px var(--primary-glow);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    border-color: var(--accent-dark);
}
.btn-success:not(:disabled):hover {
    background: linear-gradient(135deg, #30e870, var(--accent));
    box-shadow: 0 4px 15px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    color: #fff;
    border-color: var(--danger-dark);
}
.btn-danger:not(:disabled):hover {
    background: linear-gradient(135deg, #f87171, var(--danger));
    box-shadow: 0 4px 15px rgba(239,68,68,0.3);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}
.btn-outline:not(:disabled):hover {
    background: var(--border);
    color: var(--text-primary);
}

.btn-icon {
    background: transparent;
    border-color: var(--border);
    color: var(--text-secondary);
    padding: 0.55rem;
    width: 36px;
    height: 36px;
    justify-content: center;
}
.btn-icon:hover { background: var(--border); color: var(--text-primary); }

.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }

.btn-full { width: 100%; justify-content: center; }

.btn-close-card {
    margin-right: auto;
    border-color: transparent;
    color: var(--text-muted);
}

/* =============================================
   FORMS
   ============================================= */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}
.form-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

.form-input {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 0.6rem 0.875rem;
    font-size: 0.875rem;
    transition: all var(--transition);
    outline: none;
}
.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input::placeholder { color: var(--text-muted); }

.form-textarea { resize: vertical; min-height: 100px; line-height: 1.6; }

.form-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

.inline-form { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
.inline-form .form-actions { grid-column: 1 / -1; }

/* Select */
.select-wrap { position: relative; }
.form-select {
    appearance: none;
    cursor: pointer;
    padding-left: 2rem;
}
.select-arrow {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.7rem;
    pointer-events: none;
}
.mini-select { min-width: 150px; }

/* Input with icon */
.input-with-icon { position: relative; }
.input-with-icon .form-input { padding-left: 2.5rem; }
.input-eye {
    position: absolute;
    left: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: none;
    width: 32px;
    height: 32px;
}

/* Message type tabs */
.msg-type-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.msg-type-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.875rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}
.msg-type-btn.active, .msg-type-btn:hover {
    background: linear-gradient(135deg, rgba(37,211,102,0.2), rgba(37,211,102,0.08));
    border-color: var(--accent);
    color: var(--accent);
}

/* File Drop Zone */
.file-drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 2rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}
.file-drop-zone:hover, .file-drop-zone.drag-over {
    border-color: var(--accent);
    background: var(--accent-glow);
}
.file-drop-zone > i {
    font-size: 2rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: block;
}
.file-drop-zone p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}
.file-drop-zone span { color: var(--text-muted); font-size: 0.8rem; display: block; margin: 0.4rem 0; }
.file-name-display {
    background: rgba(37,211,102,0.12);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    color: var(--accent);
    margin-top: 0.5rem;
}

/* =============================================
   TABLES
   ============================================= */
.table-wrapper { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
    padding: 0.8rem 1.25rem;
    text-align: right;
    font-size: 0.875rem;
}
.data-table th {
    background: rgba(255,255,255,0.03);
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}
.data-table td { border-bottom: 1px solid rgba(45,55,72,0.6); }
.data-table tbody tr { transition: background var(--transition); }
.data-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
}
.badge-success { background: rgba(37,211,102,0.15); color: var(--accent); border: 1px solid rgba(37,211,102,0.3); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); border: 1px solid rgba(245,158,11,0.3); }
.badge-danger  { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.badge-info    { background: rgba(6,182,212,0.15); color: var(--info); border: 1px solid rgba(6,182,212,0.3); }

/* =============================================
   LOADING & EMPTY STATES
   ============================================= */
.loading-state, .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    gap: 0.75rem;
    color: var(--text-muted);
}
.empty-state > i { font-size: 2.5rem; opacity: 0.4; }
.empty-state p { font-size: 0.925rem; color: var(--text-secondary); font-weight: 500; }
.empty-state span { font-size: 0.8rem; }

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =============================================
   CHAT LIST
   ============================================= */
.chat-list { list-style: none; }
.chat-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1.25rem;
    cursor: pointer;
    border-bottom: 1px solid rgba(45,55,72,0.5);
    transition: background var(--transition);
}
.chat-item:hover { background: rgba(255,255,255,0.04); }
.chat-item:last-child { border-bottom: none; }
.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.875rem;
    font-weight: 700;
    flex-shrink: 0;
}
.chat-avatar.group-avatar { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }
.chat-info { flex: 1; min-width: 0; }
.chat-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-jid {
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 0.15rem;
}
.chat-select-btn {
    opacity: 0;
    transition: opacity var(--transition);
    font-size: 0.72rem;
    padding: 0.25rem 0.6rem;
}
.chat-item:hover .chat-select-btn { opacity: 1; }

/* =============================================
   TWO-COL GRID
   ============================================= */
.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

/* =============================================
   SETTINGS
   ============================================= */
.settings-feedback {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}
.settings-feedback.success { background: rgba(37,211,102,0.12); color: var(--accent); border: 1px solid rgba(37,211,102,0.3); }
.settings-feedback.error   { background: rgba(239,68,68,0.12); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }

.info-grid { display: flex; flex-direction: column; gap: 0.75rem; }
.info-item { display: flex; justify-content: space-between; align-items: center; }
.info-label { font-size: 0.82rem; color: var(--text-muted); }
.info-value { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }

/* =============================================
   MODAL
   ============================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(6px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}
.modal-overlay.hidden { display: none; }

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
    overflow: hidden;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
}
.modal-title {
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}
.modal-title i { color: var(--accent); }

.modal-body { padding: 1.5rem; }

.qr-instructions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.qr-step {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.qr-step span {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.qr-wrapper {
    position: relative;
    background: #fff;
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    width: fit-content;
    box-shadow: 0 0 30px var(--accent-glow);
    overflow: hidden;
}
#qr-code-container canvas, #qr-code-container img { display: block; }

.qr-scan-line {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: scanLine 2s linear infinite;
    opacity: 0.7;
}
@keyframes scanLine {
    0%   { top: 0; }
    100% { top: 100%; }
}

.qr-session-info {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.qr-session-info strong { color: var(--accent); }

.qr-status {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
}

/* =============================================
   UTILITY
   ============================================= */
.hidden { display: none !important; }
.text-accent { color: var(--accent); }
.text-danger  { color: var(--danger); }
.text-muted   { color: var(--text-muted); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
    .two-col-grid { grid-template-columns: 1fr; }
    .inline-form { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-wrapper {
        margin-right: 0;
    }
    .topbar-toggle { display: flex; }
    .content-area { padding: 1.25rem; }
    .section-title { font-size: 1.3rem; }
    .section-header { flex-direction: column; align-items: flex-start; }
    .modal { max-width: 95%; }
}

/* =============================================
   SWEETALERT2 CUSTOM THEME
   ============================================= */
.swal2-popup {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-lg) !important;
    font-family: var(--font) !important;
}
.swal2-title { color: var(--text-primary) !important; font-family: var(--font) !important; }
.swal2-content, .swal2-html-container { color: var(--text-secondary) !important; }
.swal2-confirm { background: linear-gradient(135deg, var(--accent), var(--accent-dark)) !important; font-family: var(--font) !important; font-weight: 600 !important; }
.swal2-cancel { background: var(--border) !important; color: var(--text-secondary) !important; font-family: var(--font) !important; }
.swal2-icon.swal2-error { border-color: var(--danger) !important; color: var(--danger) !important; }
.swal2-icon.swal2-success { border-color: var(--accent) !important; color: var(--accent) !important; }
.swal2-icon.swal2-success [class^=swal2-success-line] { background: var(--accent) !important; }
.swal2-icon.swal2-success .swal2-success-ring { border-color: var(--accent-glow) !important; }