/* ============================================
   AGEN AI WHATSAPP - MODERN CSS
   Tema: WhatsApp Green & White
   Mobile First Responsive
   ============================================ */

:root {
    --wa-green: #25D366;
    --wa-dark: #128C7E;
    --wa-darker: #075E54;
    --wa-teal: #34B7F1;
    --wa-bg: #F0F2F5;
    --wa-surface: #FFFFFF;
    --wa-border: #E9EDEF;
    --wa-text: #111B21;
    --wa-text-secondary: #667781;
    --wa-danger: #FF6B6B;
    --wa-warning: #FFD93D;
    --wa-info: #34B7F1;
    --wa-success: #25D366;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --radius: 16px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --sidebar-width: 260px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--wa-bg);
    color: var(--wa-text);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   AUTH PAGES (Login)
   ============================================ */

.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--wa-darker) 0%, var(--wa-dark) 50%, var(--wa-green) 100%);
    padding: 20px;
}

.auth-wrapper {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--wa-surface);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.6s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 36px;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.auth-title {
    text-align: center;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 4px;
    color: var(--wa-text);
}

.auth-subtitle {
    text-align: center;
    color: var(--wa-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 28px;
}

.auth-form .form-floating .form-control {
    border-radius: var(--radius-xs);
    border: 1.5px solid var(--wa-border);
    padding-left: 16px;
}

.auth-form .form-floating .form-control:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
}

.auth-form .form-floating label {
    padding-left: 16px;
    color: var(--wa-text-secondary);
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--wa-text-secondary);
    z-index: 10;
}

.btn-auth {
    background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
    color: white;
    border: none;
    border-radius: var(--radius-xs);
    padding: 12px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
    color: white;
}

.auth-link {
    color: var(--wa-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
}

.auth-link:hover {
    color: var(--wa-darker);
    text-decoration: underline;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--wa-text-secondary);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--wa-border);
}

.auth-divider span {
    padding: 0 12px;
}

.demo-info {
    background: var(--wa-bg);
    border-radius: var(--radius-xs);
    padding: 12px;
    text-align: center;
}

/* ============================================
   SIDEBAR
   ============================================ */

.dashboard-body {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--wa-surface);
    border-right: 1px solid var(--wa-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--wa-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.brand-icon {
    font-size: 28px;
    color: var(--wa-green);
}

.brand-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0;
    color: var(--wa-text);
}

.brand-subtitle {
    color: var(--wa-text-secondary);
    font-size: 0.75rem;
}

.sidebar-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--wa-text-secondary);
    cursor: pointer;
}

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

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-xs);
    color: var(--wa-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 4px;
    transition: var(--transition);
    position: relative;
}

.nav-item i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.nav-item:hover {
    background: rgba(37, 211, 102, 0.08);
    color: var(--wa-dark);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.15), rgba(18, 140, 126, 0.1));
    color: var(--wa-darker);
    font-weight: 600;
}

.nav-badge {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-left: auto;
}

.nav-badge.online { background: var(--wa-success); box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.3); }
.nav-badge.offline { background: var(--wa-danger); }

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

.user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.user-name {
    font-weight: 600;
    font-size: 0.85rem;
    margin: 0;
    color: var(--wa-text);
}

.user-role {
    color: var(--wa-text-secondary);
    font-size: 0.75rem;
}

.btn-logout {
    width: 100%;
    background: rgba(255, 107, 107, 0.1);
    color: var(--wa-danger);
    border: 1px solid rgba(255, 107, 107, 0.2);
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px;
    transition: var(--transition);
}

.btn-logout:hover {
    background: var(--wa-danger);
    color: white;
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    height: 64px;
    background: var(--wa-surface);
    border-bottom: 1px solid var(--wa-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--wa-text);
    cursor: pointer;
    padding: 4px;
}

.topbar-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--wa-text);
    flex: 1;
}

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

.wa-status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.wa-status-badge.online {
    background: rgba(37, 211, 102, 0.12);
    color: var(--wa-success);
}

.wa-status-badge.offline {
    background: rgba(255, 107, 107, 0.12);
    color: var(--wa-danger);
}

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

/* ============================================
   FLASH MESSAGE
   ============================================ */

.flash-message {
    margin: 16px 24px 0;
    padding: 14px 18px;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    animation: slideDown 0.4s ease;
}

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

.flash-success {
    background: rgba(37, 211, 102, 0.1);
    color: var(--wa-darker);
    border: 1px solid rgba(37, 211, 102, 0.2);
}

.flash-error {
    background: rgba(255, 107, 107, 0.1);
    color: #d63031;
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.flash-info {
    background: rgba(52, 183, 241, 0.1);
    color: #0984e3;
    border: 1px solid rgba(52, 183, 241, 0.2);
}

.flash-close {
    background: none;
    border: none;
    margin-left: auto;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.flash-close:hover { opacity: 1; }

/* ============================================
   CARDS & STATS
   ============================================ */

.dashboard-card {
    background: var(--wa-surface);
    border: none;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.dashboard-card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--wa-border);
    padding: 16px 20px;
    font-weight: 600;
}

.card-title {
    font-size: 1rem;
    color: var(--wa-text);
}

.stat-card {
    background: var(--wa-surface);
    border-radius: var(--radius-sm);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--wa-border);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-leads { background: rgba(37, 211, 102, 0.12); color: var(--wa-success); }
.stat-reply { background: rgba(52, 183, 241, 0.12); color: var(--wa-info); }
.stat-closing { background: rgba(37, 211, 102, 0.18); color: var(--wa-darker); }
.stat-total { background: rgba(118, 74, 188, 0.12); color: #764abc; }

.stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--wa-text);
    margin: 0;
    line-height: 1;
}

.stat-label {
    color: var(--wa-text-secondary);
    font-size: 0.8rem;
    margin: 4px 0 0;
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-panas { background: rgba(255, 107, 107, 0.15); color: #e03131; }
.badge-hangat { background: rgba(255, 217, 61, 0.2); color: #f08c00; }
.badge-dingin { background: rgba(107, 203, 119, 0.15); color: #2b8a3e; }
.badge-closing { background: rgba(37, 211, 102, 0.15); color: var(--wa-darker); }
.badge-gagal { background: rgba(255, 107, 107, 0.15); color: #c0392b; }

.sender-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.sender-customer { background: rgba(52, 183, 241, 0.15); color: #0984e3; }
.sender-ai { background: rgba(37, 211, 102, 0.15); color: var(--wa-darker); }
.sender-admin { background: rgba(118, 74, 188, 0.15); color: #764abc; }

/* ============================================
   TABLES
   ============================================ */

.table-card th {
    background: var(--wa-bg);
    color: var(--wa-text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--wa-border);
}

.table-card td {
    padding: 14px 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--wa-border);
    color: var(--wa-text);
    font-size: 0.875rem;
}

.table-card tbody tr:hover {
    background: rgba(37, 211, 102, 0.03);
}

/* ============================================
   PAGINATION
   ============================================ */

.pagination-nav {
    display: flex;
    justify-content: center;
}

.pagination {
    display: flex;
    list-style: none;
    gap: 6px;
    padding: 0;
    margin: 0;
}

.page-item .page-link {
    display: block;
    padding: 8px 14px;
    border-radius: var(--radius-xs);
    background: var(--wa-surface);
    border: 1px solid var(--wa-border);
    color: var(--wa-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

.page-item.active .page-link {
    background: var(--wa-green);
    border-color: var(--wa-green);
    color: white;
}

.page-item .page-link:hover {
    background: var(--wa-bg);
    border-color: var(--wa-green);
    color: var(--wa-dark);
}

/* ============================================
   AVATARS
   ============================================ */

.avatar-sm {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.avatar-md {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ============================================
   CHAT HISTORY
   ============================================ */

.chat-preview-list {
    padding: 8px;
}

.chat-preview-item {
    padding: 14px 16px;
    border-bottom: 1px solid var(--wa-border);
    transition: var(--transition);
}

.chat-preview-item:hover {
    background: rgba(37, 211, 102, 0.03);
}

.chat-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.chat-preview-message {
    color: var(--wa-text);
    font-size: 0.85rem;
}

.chat-preview-reply {
    color: var(--wa-text-secondary);
    font-size: 0.8rem;
    padding-left: 12px;
    border-left: 2px solid var(--wa-green);
}

.chat-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-history-card {
    background: var(--wa-surface);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.chat-history-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--wa-border);
    background: var(--wa-bg);
}

.chat-history-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-bubble {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    max-width: 90%;
}

.chat-customer {
    background: var(--wa-bg);
    border: 1px solid var(--wa-border);
    align-self: flex-start;
}

.chat-ai {
    background: rgba(37, 211, 102, 0.08);
    border: 1px solid rgba(37, 211, 102, 0.15);
    align-self: flex-end;
}

.chat-bubble p {
    line-height: 1.6;
}

/* ============================================
   LEADS
   ============================================ */

.lead-card {
    border: 1px solid var(--wa-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    height: 100%;
}

.lead-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    border-color: var(--wa-green);
}

.lead-message {
    color: var(--wa-text);
    font-size: 0.85rem;
    background: var(--wa-bg);
    padding: 8px 12px;
    border-radius: var(--radius-xs);
}

.lead-note {
    color: var(--wa-text-secondary);
    font-size: 0.8rem;
    font-style: italic;
}

/* ============================================
   WHATSAPP CONNECTION
   ============================================ */

.qr-container {
    background: var(--wa-bg);
    border-radius: var(--radius-sm);
    padding: 30px;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.qr-placeholder i {
    font-size: 64px;
    color: var(--wa-border);
}

.qr-code-wrapper img {
    max-width: 250px;
    border-radius: var(--radius-xs);
}

.wa-connected-state {
    text-align: center;
}

.wa-connected-icon {
    font-size: 64px;
    color: var(--wa-success);
}

.wa-info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.wa-info-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px;
    background: var(--wa-bg);
    border-radius: var(--radius-xs);
}

.wa-info-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.1);
    color: var(--wa-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.wa-info-label {
    font-size: 0.75rem;
    color: var(--wa-text-secondary);
    margin: 0;
}

.wa-info-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--wa-text);
    margin: 0;
}

.btn-wa {
    background: linear-gradient(135deg, var(--wa-green), var(--wa-dark));
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius-xs);
    font-weight: 600;
    transition: var(--transition);
}

.btn-wa:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
    color: white;
}

/* ============================================
   BROADCAST
   ============================================ */

.broadcast-list {
    padding: 8px;
}

.broadcast-item {
    padding: 16px 18px;
    border-bottom: 1px solid var(--wa-border);
    transition: var(--transition);
}

.broadcast-item:hover {
    background: rgba(37, 211, 102, 0.03);
}

.broadcast-preview {
    color: var(--wa-text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.broadcast-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* ============================================
   CODE BLOCK
   ============================================ */

.code-block {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 16px;
    border-radius: var(--radius-xs);
    overflow-x: auto;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
}

.code-block code {
    color: inherit;
}

/* ============================================
   ACCORDION
   ============================================ */

.accordion-item {
    border: 1px solid var(--wa-border);
    border-radius: var(--radius-xs);
    margin-bottom: 8px;
    overflow: hidden;
}

.accordion-button {
    font-weight: 600;
    font-size: 0.9rem;
    padding: 14px 18px;
    background: var(--wa-surface);
    color: var(--wa-text);
}

.accordion-button:not(.collapsed) {
    background: rgba(37, 211, 102, 0.05);
    color: var(--wa-darker);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--wa-green);
}

/* ============================================
   MODALS
   ============================================ */

.modal-content {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--wa-border);
    padding: 16px 20px;
}

.modal-title {
    font-weight: 600;
    font-size: 1rem;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid var(--wa-border);
    padding: 14px 20px;
}

/* ============================================
   FORMS
   ============================================ */

.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--wa-text);
    margin-bottom: 6px;
}

.form-control, .form-select {
    border: 1.5px solid var(--wa-border);
    border-radius: var(--radius-xs);
    padding: 10px 14px;
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--wa-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
}

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

.form-check-input:checked {
    background-color: var(--wa-green);
    border-color: var(--wa-green);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    border-radius: var(--radius-xs);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 8px 16px;
    transition: var(--transition);
}

.btn-primary {
    background: var(--wa-green);
    border-color: var(--wa-green);
    color: white;
}

.btn-primary:hover {
    background: var(--wa-dark);
    border-color: var(--wa-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-outline-primary {
    color: var(--wa-dark);
    border-color: var(--wa-green);
}

.btn-outline-primary:hover {
    background: var(--wa-green);
    border-color: var(--wa-green);
    color: white;
}

.btn-outline-danger {
    color: var(--wa-danger);
    border-color: rgba(255, 107, 107, 0.3);
}

.btn-outline-danger:hover {
    background: var(--wa-danger);
    border-color: var(--wa-danger);
    color: white;
}

/* ============================================
   REPORTS
   ============================================ */

.stat-report .stat-icon { width: 44px; height: 44px; font-size: 1.2rem; }
.stat-report .stat-value { font-size: 1.4rem; }

/* ============================================
   OVERLAY
   ============================================ */

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    backdrop-filter: blur(2px);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 991px) {
    :root { --sidebar-width: 280px; }
    
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .topbar-toggle {
        display: block;
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .content-wrapper {
        padding: 16px;
    }
    
    .flash-message {
        margin: 12px 16px 0;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    .topbar {
        padding: 0 16px;
    }
    
    .topbar-title {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .auth-card {
        padding: 28px 20px;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .stat-icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
    
    .wa-info-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .chat-bubble {
        max-width: 100%;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   UTILITIES
   ============================================ */

.text-wa { color: var(--wa-green); }
.bg-wa { background-color: var(--wa-green); }
.border-wa { border-color: var(--wa-green); }

.page-title {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--wa-text);
}

.page-section {
    max-width: 1400px;
}

.sticky-top {
    z-index: 50;
}