/* customers/style.css - Design Professionale SaaS */

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    color: var(--gray-800);
    min-height: 100vh;
    line-height: 1.6;
}

/* ===== LOGIN PAGE ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    padding: 2.5rem 2rem;
    text-align: center;
    color: var(--white);
}

.login-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.75rem;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.login-header p {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.login-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: all 0.2s ease;
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-control::placeholder {
    color: var(--gray-400);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: var(--white);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: var(--white);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
    color: var(--white);
}

.btn-outline {
    background: var(--white);
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--gray-800);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.0625rem;
}

/* ===== LAYOUT ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-700);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.sidebar-logo-text {
    font-size: 1.125rem;
    font-weight: 700;
}

.sidebar-logo-text span {
    color: var(--primary-light);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-section {
    padding: 0 1rem;
    margin-bottom: 1.5rem;
}

.nav-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    padding: 0.5rem 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--gray-400);
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9375rem;
}

.nav-link:hover {
    color: var(--white);
    background: var(--gray-700);
}

.nav-link.active {
    color: var(--white);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.nav-link .icon {
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

.nav-link.active .icon {
    opacity: 1;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-700);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-plan {
    font-size: 0.75rem;
    color: var(--gray-400);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--gray-500);
    font-size: 0.9375rem;
}

.page-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-icon.secondary {
    background: rgba(14, 165, 233, 0.1);
    color: var(--secondary);
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.stat-change {
    font-size: 0.75rem;
    margin-top: 0.5rem;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--danger);
}

/* ===== TABLES ===== */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--gray-50);
}

th {
    text-align: left;
    padding: 0.875rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-200);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9375rem;
}

tbody tr:hover {
    background: var(--gray-50);
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.badge-secondary {
    background: var(--gray-100);
    color: var(--gray-600);
}

.badge-info {
    background: rgba(14, 165, 233, 0.1);
    color: #0284c7;
}

/* ===== ALERTS ===== */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #065f46;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: #92400e;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #991b1b;
}

.alert-info {
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    color: #0c4a6e;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    padding: 1rem;
    overflow-y: auto;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: scale(0.95) translateY(-20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal.show {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 640px;
    margin: 2rem auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-header {
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-radius: 16px 16px 0 0;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-title .material-icons-outlined {
    color: var(--primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.modal-close:hover {
    background: var(--danger);
    color: var(--white);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1.75rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

.modal-footer {
    padding: 1.25rem 1.75rem;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    background: var(--gray-50);
    border-radius: 0 0 16px 16px;
}

/* Modal Section Divider */
.modal-section {
    border-top: 1px solid var(--gray-200);
    margin-top: 1.5rem;
    padding-top: 1.5rem;
}

.modal-section-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-section-title .material-icons-outlined {
    font-size: 1.25rem;
    color: var(--primary);
}

/* Modal Sizes */
.modal-content.modal-lg {
    max-width: 800px;
}

.modal-content.modal-xl {
    max-width: 1000px;
}

.modal-content.modal-sm {
    max-width: 400px;
}

/* ===== DIALOG (Alert/Confirm) ===== */
.dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: dialogFadeIn 0.15s ease-out;
}

@keyframes dialogFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes dialogBounceIn {
    0% { opacity: 0; transform: scale(0.9); }
    50% { transform: scale(1.02); }
    100% { opacity: 1; transform: scale(1); }
}

.dialog-box {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    animation: dialogBounceIn 0.25s ease-out;
    overflow: hidden;
}

.dialog-icon {
    padding: 2rem 2rem 1rem;
    text-align: center;
}

.dialog-icon-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.dialog-icon-circle .material-icons-outlined {
    font-size: 36px;
    color: white;
}

.dialog-icon-circle.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.dialog-icon-circle.error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.dialog-icon-circle.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.dialog-icon-circle.info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.dialog-icon-circle.confirm {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.dialog-content {
    padding: 0 2rem 1.5rem;
    text-align: center;
}

.dialog-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.dialog-message {
    color: var(--gray-500);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.dialog-actions {
    padding: 1rem 1.5rem 1.5rem;
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.dialog-actions .btn {
    min-width: 120px;
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
    border-radius: 12px;
}

.dialog-actions .btn-cancel {
    background: var(--gray-100);
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
}

.dialog-actions .btn-cancel:hover {
    background: var(--gray-200);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.3);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 450px;
    animation: toastSlideIn 0.3s ease-out;
    border-left: 4px solid var(--gray-400);
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastSlideOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100%); }
}

.toast.removing {
    animation: toastSlideOut 0.3s ease-out forwards;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--secondary); }

.toast-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-icon .material-icons-outlined {
    font-size: 18px;
    color: white;
}

.toast.success .toast-icon { background: var(--success); }
.toast.error .toast-icon { background: var(--danger); }
.toast.warning .toast-icon { background: var(--warning); }
.toast.info .toast-icon { background: var(--secondary); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--gray-800);
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: 0.125rem;
}

.toast-close {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all 0.2s;
    flex-shrink: 0;
}

.toast-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* ===== FORM GRID ===== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-grid .full-width {
    grid-column: span 2;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--gray-400);
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* ===== CODE/LOG DISPLAY ===== */
.code-block {
    background: var(--gray-900);
    color: #22c55e;
    padding: 1rem;
    border-radius: var(--radius);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8125rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ===== WEBHOOK SECTION ===== */
.webhook-url-display {
    background: var(--gray-100);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-family: monospace;
    font-size: 0.875rem;
    word-break: break-all;
}

/* ===== SWITCH TOGGLE ===== */
.switch {
    position: relative;
    width: 48px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    transition: 0.3s;
    border-radius: 24px;
}

.switch-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.switch input:checked + .switch-slider {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.switch input:checked + .switch-slider:before {
    transform: translateX(24px);
}

/* ===== SPINNER ===== */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-grid .full-width {
        grid-column: span 1;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .page-actions {
        flex-direction: column;
    }

    .btn-block-mobile {
        width: 100%;
    }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }

/* ===== LEADS PAGE ===== */
.leads-stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 1200px) {
    .leads-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .leads-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.leads-stat-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    border-radius: 12px;
    padding: 16px;
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
}

.leads-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.leads-stat-card.active {
    border-color: var(--primary);
}

.leads-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.leads-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.leads-stat-label {
    font-size: 12px;
    color: var(--gray-500);
}

.leads-filter-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.leads-filter-form .form-control {
    flex: 1;
    min-width: 120px;
}

.leads-filter-form .form-control.search-input {
    flex: 2;
    min-width: 200px;
}

.leads-filter-form .form-control.date-input {
    min-width: 130px;
}

.leads-bulk-bar {
    display: none;
    background: rgba(79, 70, 229, 0.1);
    border-bottom: 1px solid var(--primary);
    padding: 12px 24px;
    align-items: center;
    gap: 16px;
}

.leads-bulk-bar.show {
    display: flex;
}

.leads-separator {
    width: 1px;
    height: 24px;
    background: var(--gray-300);
}

.leads-table-time {
    font-size: 11px;
}

.leads-table-contact {
    font-size: 14px;
}

.leads-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
}

.leads-pagination-btns {
    display: flex;
    gap: 8px;
}

/* Modal MD size */
.modal-content.modal-md {
    max-width: 700px;
}

/* ===== LEAD DETAIL ===== */
.lead-detail-actions {
    text-align: right;
    margin-bottom: 16px;
}

.lead-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 32px;
    margin-bottom: 24px;
}

.lead-detail-field-label {
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.lead-detail-notes {
    margin-bottom: 24px;
}

.lead-detail-notes-content {
    background: var(--gray-100);
    padding: 12px;
    border-radius: 8px;
    white-space: pre-wrap;
}

.lead-detail-raw {
    margin-bottom: 24px;
}

.lead-detail-raw summary {
    cursor: pointer;
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
}

.lead-detail-raw-content {
    background: var(--dark);
    color: #22c55e;
    padding: 12px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 12px;
    max-height: 150px;
    overflow: auto;
    margin-top: 8px;
}

.lead-status-section {
    border-top: 1px solid var(--gray-200);
    padding-top: 16px;
}

.lead-status-title {
    font-size: 11px;
    color: var(--gray-500);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.lead-status-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.lead-edit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.lead-edit-full {
    grid-column: span 2;
}

.lead-edit-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 16px;
}