/* Client Management System - Custom Styles */
/* Light Theme - Modern Professional Design */

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --sidebar-bg: #ffffff;
    --sidebar-width: 260px;
    --header-height: 70px;
    --card-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --card-shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f1f5f9;
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

/* Login Page */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-container {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 420px;
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-logo {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.login-logo i {
    font-size: 28px;
    color: white;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.sidebar-brand {
    font-weight: 700;
    font-size: 16px;
    color: var(--text-primary);
}

.sidebar-nav {
    padding: 15px 0;
}

.nav-section {
    padding: 10px 20px 5px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    margin: 2px 10px;
    border-radius: 8px;
    font-weight: 500;
}

.nav-item i {
    width: 20px;
    margin-right: 12px;
    font-size: 16px;
}

.nav-item:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
}

.nav-item .badge {
    margin-left: auto;
    font-size: 11px;
    padding: 2px 8px;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Top Header */
.top-header {
    background: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 30px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-search {
    position: relative;
}

.header-search input {
    width: 250px;
    padding: 8px 15px 8px 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #f8fafc;
    font-size: 13px;
}

.header-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.header-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.header-icon:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.header-icon .notification-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 8px;
    height: 8px;
    background: var(--danger-color);
    border-radius: 50%;
}

.user-dropdown {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 8px;
    transition: background 0.2s;
}

.user-dropdown:hover {
    background: #f8fafc;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.user-info {
    line-height: 1.3;
}

.user-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* Content Area */
.content-area {
    padding: 30px;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: 25px;
}

.card-footer {
    padding: 15px 25px;
    border-top: 1px solid var(--border-color);
    background: #fafafa;
    border-radius: 0 0 12px 12px;
}

/* Stat Cards */
.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 15px;
}

.stat-icon.primary { background: var(--primary-light); color: var(--primary-color); }
.stat-icon.success { background: #dcfce7; color: var(--success-color); }
.stat-icon.warning { background: #fef3c7; color: var(--warning-color); }
.stat-icon.danger { background: #fee2e2; color: var(--danger-color); }
.stat-icon.info { background: #dbeafe; color: var(--info-color); }

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-change {
    font-size: 12px;
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

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

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

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

.table thead th {
    background: #f8fafc;
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.table tbody td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-primary);
}

.table tbody tr:hover {
    background: #fafafa;
}

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary { background: var(--primary-light); color: var(--primary-color); }
.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef3c7; color: #b45309; }
.badge-danger { background: #fee2e2; color: #dc2626; }
.badge-info { background: #dbeafe; color: #1d4ed8; }
.badge-secondary { background: #f1f5f9; color: var(--text-secondary); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    color: white;
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #059669;
    color: white;
}

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

.btn-danger:hover {
    background: #dc2626;
    color: white;
}

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 8px;
}

.btn-icon.sm {
    width: 30px;
    height: 30px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 13px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s ease;
    background: white;
}

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

.form-control::placeholder {
    color: var(--text-muted);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 40px;
}

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

.input-group {
    display: flex;
    align-items: center;
}

.input-group-text {
    padding: 10px 15px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: 8px 0 0 8px;
    color: var(--text-secondary);
}

.input-group .form-control {
    border-radius: 0 8px 8px 0;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.alert-danger { background: #fee2e2; color: #dc2626; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }
.alert-info { background: #dbeafe; color: #1d4ed8; border: 1px solid #bfdbfe; }

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-dialog {
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: #f1f5f9;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: #e2e8f0;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Pagination */
.pagination {
    display: flex;
    gap: 5px;
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
}

.pagination li a,
.pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    color: var(--text-secondary);
    background: white;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.pagination li a:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.pagination li.active span {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Avatar */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.avatar-sm { width: 32px; height: 32px; font-size: 12px; }
.avatar-lg { width: 56px; height: 56px; font-size: 18px; }
.avatar-xl { width: 80px; height: 80px; font-size: 24px; }

.avatar-primary { background: var(--primary-light); color: var(--primary-color); }
.avatar-success { background: #dcfce7; color: var(--success-color); }
.avatar-warning { background: #fef3c7; color: var(--warning-color); }

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    color: var(--border-color);
    margin-bottom: 20px;
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

/* Status Dots */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.status-dot.active { background: var(--success-color); }
.status-dot.inactive { background: var(--danger-color); }
.status-dot.pending { background: var(--warning-color); }

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-toggle {
        display: block !important;
    }
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-primary);
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-muted { color: var(--text-muted) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

.w-100 { width: 100%; }
.text-center { text-align: center; }
.text-end { text-align: right; }

/* Action Buttons Group */
.action-btns {
    display: flex;
    gap: 5px;
}

/* Profile Page */
.profile-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #7c3aed 100%);
    padding: 40px;
    border-radius: 12px;
    color: white;
    margin-bottom: 30px;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 15px;
}

/* Calendar Styles */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
}

.calendar-header {
    padding: 10px;
    text-align: center;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
}

.calendar-day {
    aspect-ratio: 1;
    padding: 8px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.calendar-day:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
}

.calendar-day.today {
    background: var(--primary-color);
    color: white;
}

.calendar-day.available {
    background: #dcfce7;
}

.calendar-day.booked {
    background: #fef3c7;
}

.calendar-day.blocked {
    background: #fee2e2;
}

.calendar-day.other-month {
    color: var(--text-muted);
}

/* Charts Container */
.chart-container {
    position: relative;
    height: 300px;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Tabs */
.nav-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}

.nav-tabs .nav-link {
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 20px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--primary-color);
}

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