/* =============================================
   CRM Design System
   Premium Dark Sidebar + Light Content
   ============================================= */

/* Google Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* =============================================
   CSS Variables / Design Tokens
   ============================================= */
:root {
    /* Primary Colors */
    --primary: #4F46E5;
    --primary-light: #6366F1;
    --primary-dark: #4338CA;
    --primary-bg: rgba(79, 70, 229, 0.08);
    --primary-border: rgba(79, 70, 229, 0.2);

    /* Semantic Colors */
    --success: #10B981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #F59E0B;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #EF4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #3B82F6;
    --info-bg: rgba(59, 130, 246, 0.1);

    /* Rating Colors */
    --hot: #EF4444;
    --hot-bg: rgba(239, 68, 68, 0.12);
    --warm: #F59E0B;
    --warm-bg: rgba(245, 158, 11, 0.12);
    --cool: #3B82F6;
    --cool-bg: rgba(59, 130, 246, 0.12);

    /* Neutral Colors */
    --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;

    /* Sidebar */
    --sidebar-bg: #0F172A;
    --sidebar-hover: rgba(255, 255, 255, 0.06);
    --sidebar-active: rgba(79, 70, 229, 0.2);
    --sidebar-text: rgba(255, 255, 255, 0.6);
    --sidebar-text-active: #FFFFFF;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;

    /* Content */
    --content-bg: #F8FAFC;
    --card-bg: #FFFFFF;
    --card-border: #E2E8F0;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --card-shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;

    /* Spacing */
    --header-height: 64px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* =============================================
   Reset & Base
   ============================================= */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--content-bg);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
    height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
}

/* =============================================
   Login Page
   ============================================= */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #334155 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.15), transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1), transparent 70%);
    bottom: -80px;
    left: -80px;
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.login-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 28px;
    box-shadow: 0 8px 32px rgba(79, 70, 229, 0.3);
}

.login-logo h1 {
    color: #FFFFFF;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.login-logo p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin-top: 4px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.login-form input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: #FFFFFF;
    font-size: 0.95rem;
    font-family: var(--font-family);
    transition: var(--transition-base);
    outline: none;
}

.login-form input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.login-form input:focus {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.06);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.login-error {
    background: var(--danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: none;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.login-error.show { display: block; }

.login-btn {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.login-btn:active {
    transform: translateY(0);
}

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-demo {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
}

.login-demo p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    margin-bottom: 8px;
}

.login-demo code {
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* =============================================
   App Layout
   ============================================= */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* =============================================
   Sidebar
   ============================================= */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-base);
    flex-shrink: 0;
    z-index: 100;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-header {
    display: flex;
    align-items: center;
    padding: 20px 20px;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    min-height: var(--header-height);
}

.sidebar-header .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.sidebar-header .logo-text {
    color: #FFFFFF;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    color: var(--gray-500);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    color: var(--sidebar-text);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    user-select: none;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text-active);
}

.nav-item.active {
    background: var(--sidebar-active);
    color: var(--sidebar-text-active);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
}

.nav-item .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.nav-item .nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: #FFFFFF;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
}

/* Sidebar User */
.sidebar-user {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: #FFFFFF;
    flex-shrink: 0;
}

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

.sidebar-user .user-name {
    color: #FFFFFF;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user .user-role {
    color: var(--gray-500);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-user .logout-btn {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    font-size: 1.1rem;
}

.sidebar-user .logout-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* =============================================
   Main Content
   ============================================= */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* Top Header */
.top-header {
    height: var(--header-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    flex-shrink: 0;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.page-title span {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.9rem;
    margin-left: 8px;
}

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

/* Content Area */
.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px 28px;
}

/* =============================================
   Stat Cards (Dashboard)
   ============================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 22px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    opacity: 0;
    transition: var(--transition-base);
}

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

.stat-card:hover::after {
    opacity: 1;
}

.stat-card.hot::after { background: linear-gradient(90deg, var(--hot), #F87171); opacity: 1; }
.stat-card.warm::after { background: linear-gradient(90deg, var(--warm), #FBBF24); opacity: 1; }
.stat-card.cool::after { background: linear-gradient(90deg, var(--cool), #60A5FA); opacity: 1; }
.stat-card.success::after { background: linear-gradient(90deg, var(--success), #34D399); opacity: 1; }

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.stat-header .stat-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-icon.primary { background: var(--primary-bg); color: var(--primary); }
.stat-icon.success { background: var(--success-bg); color: var(--success); }
.stat-icon.warning { background: var(--warning-bg); color: var(--warning); }
.stat-icon.danger { background: var(--danger-bg); color: var(--danger); }
.stat-icon.info { background: var(--info-bg); color: var(--info); }

.stat-label {
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-top: 6px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.stat-change.up {
    color: var(--success);
    background: var(--success-bg);
}

.stat-change.down {
    color: var(--danger);
    background: var(--danger-bg);
}

/* =============================================
   Charts Grid
   ============================================= */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.chart-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 22px;
    transition: var(--transition-base);
}

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

.chart-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.chart-card-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.chart-container {
    position: relative;
    height: 280px;
}

/* =============================================
   Data Table
   ============================================= */
.table-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    border-bottom: 1px solid var(--card-border);
    flex-wrap: wrap;
    gap: 12px;
}

.table-header h3 {
    font-size: 1rem;
    font-weight: 700;
}

.table-filters {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.table-wrapper {
    overflow-x: auto;
}

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

table th {
    background: var(--gray-50);
    padding: 12px 16px;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
}

table td {
    padding: 12px 16px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--text-primary);
    vertical-align: middle;
}

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

table tr:last-child td {
    border-bottom: none;
}

/* =============================================
   Badges / Tags
   ============================================= */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-hot { background: var(--hot-bg); color: var(--hot); }
.badge-warm { background: var(--warm-bg); color: var(--warm); }
.badge-cool { background: var(--cool-bg); color: var(--cool); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-primary { background: var(--primary-bg); color: var(--primary); }
.badge-muted { background: var(--gray-100); color: var(--gray-500); }

/* Status badges */
.status-consulting { background: var(--info-bg); color: var(--info); }
.status-quoted { background: rgba(139, 92, 246, 0.1); color: #8B5CF6; }
.status-signed { background: var(--success-bg); color: var(--success); }
.status-no_need { background: var(--danger-bg); color: var(--danger); }

/* Service type badges */
.badge-design { background: rgba(236, 72, 153, 0.1); color: #EC4899; }
.badge-full-build { background: rgba(6, 182, 212, 0.1); color: #06B6D4; }
.badge-warning { background: var(--warning-bg); color: var(--warning); }

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
    white-space: nowrap;
    outline: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(79, 70, 229, 0.35);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--card-border);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #34D399);
    color: #FFFFFF;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #F87171);
    color: #FFFFFF;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 6px 10px;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.78rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-md);
}

/* =============================================
   Form Inputs
   ============================================= */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 9px 13px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    transition: var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-select { cursor: pointer; }

.form-input-sm {
    padding: 6px 10px;
    font-size: 0.82rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* Search Input */
.search-input-wrap {
    position: relative;
}

.search-input-wrap .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.search-input-wrap input {
    padding-left: 36px;
}

/* =============================================
   Modal
   ============================================= */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    padding: 20px;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 620px;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
    transform: scale(0.95) translateY(10px);
    transition: var(--transition-base);
}

.modal-overlay.show .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--card-border);
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    line-height: 1;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--card-border);
}

/* Wide modal for customer detail */
.modal.modal-wide {
    max-width: 900px;
}

/* =============================================
   Timeline (Care History)
   ============================================= */
.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item {
    position: relative;
    padding-bottom: 24px;
    animation: fadeInUp 0.3s ease;
}

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

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -22px;
    top: 3px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    background: var(--card-bg);
    z-index: 1;
}

.timeline-dot.call { border-color: var(--info); }
.timeline-dot.meet { border-color: var(--success); }
.timeline-dot.email { border-color: var(--warning); }
.timeline-dot.message { border-color: #8B5CF6; }
.timeline-dot.quote { border-color: var(--hot); }

.timeline-content {
    background: var(--gray-50);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    border: 1px solid var(--gray-100);
}

.timeline-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 6px;
}

.timeline-date {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

.timeline-user {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.timeline-text {
    font-size: 0.88rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.timeline-result {
    margin-top: 6px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-style: italic;
}

.timeline-next {
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--warning-bg);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: var(--warning);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* =============================================
   Avatar
   ============================================= */
.avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #FFFFFF;
    flex-shrink: 0;
}

.avatar-sm { width: 26px; height: 26px; font-size: 0.65rem; }
.avatar-lg { width: 44px; height: 44px; font-size: 1rem; }

/* =============================================
   Performance Cards (Staff)
   ============================================= */
.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.performance-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 22px;
    transition: var(--transition-base);
}

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

.performance-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.performance-card-header .name {
    font-weight: 700;
    font-size: 0.95rem;
}

.performance-card-header .subtitle {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.performance-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.perf-stat {
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    text-align: center;
}

.perf-stat .perf-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.perf-stat .perf-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.perf-stat.highlight { background: var(--primary-bg); }
.perf-stat.highlight .perf-value { color: var(--primary); }

/* Performance bar */
.perf-bar-container {
    margin-top: 14px;
}

.perf-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.perf-bar {
    height: 6px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
    display: flex;
}

.perf-bar-segment {
    height: 100%;
    transition: width var(--transition-slow);
}

.perf-bar-segment.hot { background: var(--hot); }
.perf-bar-segment.warm { background: var(--warm); }
.perf-bar-segment.cool { background: var(--cool); }

/* =============================================
   Pagination
   ============================================= */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 22px;
    border-top: 1px solid var(--card-border);
}

.pagination-info {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.pagination-buttons {
    display: flex;
    gap: 4px;
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.page-btn:hover { background: var(--gray-100); }
.page-btn.active {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* =============================================
   Empty State
   ============================================= */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state .empty-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    font-size: 0.88rem;
    max-width: 400px;
    margin: 0 auto 20px;
}

/* =============================================
   Toast Notifications
   ============================================= */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 280px;
    max-width: 420px;
    animation: slideInRight 0.3s ease;
    font-size: 0.88rem;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error { border-left: 3px solid var(--danger); }
.toast.toast-warning { border-left: 3px solid var(--warning); }
.toast.toast-info { border-left: 3px solid var(--info); }

.toast.removing {
    animation: slideOutRight 0.3s ease forwards;
}

@keyframes slideOutRight {
    to { opacity: 0; transform: translateX(40px); }
}

/* =============================================
   Loading
   ============================================= */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    flex-direction: column;
    gap: 12px;
}

.loading-overlay .loading-spinner {
    width: 36px;
    height: 36px;
    border-width: 3px;
}

.loading-overlay p {
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* =============================================
   Customer Name Cell
   ============================================= */
.customer-name-cell {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.customer-name-cell .name {
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition-fast);
}

.customer-name-cell:hover .name {
    color: var(--primary-dark);
    text-decoration: underline;
}

.customer-name-cell .phone {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* =============================================
   Filter Tags
   ============================================= */
.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.filter-tag:hover {
    background: var(--gray-200);
}

.filter-tag.active {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary-border);
}

/* =============================================
   Export Buttons
   ============================================= */
.export-btn-group {
    display: flex;
    gap: 8px;
}

/* =============================================
   Customer Detail - Info Grid
   ============================================= */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.detail-item {
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.detail-item .detail-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.detail-item .detail-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* =============================================
   Tabs
   ============================================= */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        z-index: 200;
        width: 270px;
        box-shadow: 0 0 30px rgba(0, 0, 0, 0.25);
        transition: left var(--transition-base);
    }

    .sidebar.open {
        left: 0;
    }

    .mobile-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(4px);
        z-index: 150;
    }

    .sidebar.open + .mobile-overlay {
        display: block;
    }

    /* Top Header */
    .top-header {
        padding: 0 16px;
    }

    .page-title {
        font-size: 1.1rem;
    }

    .page-title span {
        display: none !important; /* Hide date on mobile headers */
    }

    /* Stats Grid */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-bottom: 16px;
    }

    @media (max-width: 480px) {
        .stats-grid {
            grid-template-columns: 1fr;
        }
    }

    .stat-card {
        padding: 16px;
    }

    .charts-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .content-area {
        padding: 16px 12px;
    }

    /* Form Rows */
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Modals */
    .modal {
        max-width: 100%;
        max-height: 92vh;
        margin: 0 8px;
    }

    .modal.modal-wide {
        max-width: 100% !important;
    }

    .modal-header, .modal-footer {
        padding: 14px 16px;
    }

    .modal-body {
        padding: 16px;
    }

    .detail-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    @media (max-width: 480px) {
        .detail-grid {
            grid-template-columns: 1fr;
        }
    }

    /* Table Header & Filters */
    .table-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 14px 16px;
    }

    .table-filters {
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        width: 100% !important;
    }

    .table-filters .search-input-wrap {
        grid-column: span 2;
        width: 100% !important;
    }

    .table-filters .form-input,
    .table-filters .form-select {
        width: 100% !important;
    }

    /* Table Responsive Columns */
    .col-stt,
    .col-requirements,
    .col-location,
    .col-service,
    .col-staff,
    .col-care,
    .col-date {
        display: none !important;
    }

    table th, table td {
        padding: 10px 8px;
        font-size: 0.82rem;
    }

    .customer-name-cell .name {
        font-size: 0.88rem;
    }

    .customer-name-cell .phone {
        font-size: 0.76rem;
    }

    /* Prevent iOS browser auto-zooming on text input focus */
    input, select, textarea, .form-input, .form-select, .form-textarea {
        font-size: 16px !important;
    }

    .hamburger {
        display: flex !important;
    }
}

.hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-primary);
    margin-right: 8px;
    transition: var(--transition-fast);
    padding: 0;
    flex-shrink: 0;
}

.hamburger:active {
    background: var(--gray-200);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* Utility */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }