/* ====================================
   AI-SP: Smart Appointment Styles
   Medium Green Gradient Theme
   ==================================== */

:root {
    --green-100: #e8f5e9;
    --green-200: #c8e6c9;
    --green-300: #a5d6a7;
    --green-400: #66bb6a;
    --green-500: #4caf50;
    --green-600: #43a047;
    --green-700: #388e3c;
    --green-800: #2e7d32;
    --green-900: #1b5e20;
    --bg-gradient: linear-gradient(135deg, #e8f5e9 0%, #a5d6a7 40%, #66bb6a 70%, #43a047 100%);
    --card-bg: rgba(255, 255, 255, 0.92);
    --card-shadow: 0 8px 32px rgba(46, 125, 50, 0.12);
    --text-primary: #1a3a1a;
    --text-secondary: #4a6a4a;
    --border-color: rgba(76, 175, 80, 0.2);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
}

/* Navbar */
.navbar {
    background: linear-gradient(90deg, var(--green-800), var(--green-700), var(--green-600));
    box-shadow: 0 2px 20px rgba(27, 94, 32, 0.3);
    padding: 0.6rem 1rem;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: -0.02em;
}

.nav-link {
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Main Content */
.main-content {
    padding-top: 1.5rem;
    padding-bottom: 2rem;
}

.main-content-full {
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-content-full .container-fluid {
    max-width: 100%;
    padding: 0;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(20px);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 12px 40px rgba(46, 125, 50, 0.18);
}

.card-header {
    background: linear-gradient(135deg, var(--green-700), var(--green-600));
    color: white;
    border-radius: 16px 16px 0 0 !important;
    padding: 1rem 1.25rem;
    font-weight: 600;
    border: none;
}

/* Stat Cards */
.stat-card {
    border: none;
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-card .stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    opacity: 0.85;
}

.stat-card.total { background: linear-gradient(135deg, var(--green-600), var(--green-500)); color: white; }
.stat-card.available { background: linear-gradient(135deg, #2196f3, #42a5f5); color: white; }
.stat-card.booked { background: linear-gradient(135deg, #ff9800, #ffb74d); color: white; }

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--green-600), var(--green-500));
    border: none;
    border-radius: 10px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--green-700), var(--green-600));
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.btn-outline-primary {
    color: var(--green-700);
    border-color: var(--green-500);
    border-radius: 10px;
    font-weight: 500;
}

.btn-outline-primary:hover {
    background: var(--green-500);
    border-color: var(--green-500);
}

/* Forms */
.form-control, .form-select {
    border-radius: 10px;
    border: 1.5px solid var(--border-color);
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}

.form-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

/* Tables */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: var(--green-100);
    color: var(--green-800);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.85rem 1rem;
    border-bottom: 2px solid var(--green-300);
}

.table tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--green-100);
}

/* Status badges */
.badge-available {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: #1565c0;
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: 8px;
}

.badge-booked {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    color: #e65100;
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: 8px;
}

.badge-cancelled {
    background: linear-gradient(135deg, #fce4ec, #f8bbd0);
    color: #c62828;
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: 8px;
}

.badge-video {
    background: linear-gradient(135deg, #e8eaf6, #c5cae9);
    color: #283593;
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: 8px;
}

.badge-inperson {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    color: var(--green-800);
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: 8px;
}

/* Login Page */
.login-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.login-hero {
    flex: 1;
    background: linear-gradient(135deg, var(--green-800) 0%, var(--green-600) 50%, var(--green-400) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.login-hero::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    top: -50px;
    right: -50px;
}

.login-hero::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    bottom: -30px;
    left: -30px;
}

.login-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.login-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 400px;
    text-align: center;
    line-height: 1.6;
}

.login-form-container {
    flex: 0 0 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: white;
}

.login-form-box {
    width: 100%;
    max-width: 380px;
}

.login-form-box h2 {
    font-weight: 700;
    color: var(--green-800);
    margin-bottom: 0.3rem;
}

.login-form-box .subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* AI Chat */
.ai-chat-container {
    height: calc(100vh - 200px);
    display: flex;
    flex-direction: column;
}

.ai-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.ai-message {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    animation: fadeIn 0.3s ease;
}

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

.ai-message .avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.ai-message.user .avatar {
    background: var(--green-500);
    color: white;
}

.ai-message.assistant .avatar {
    background: linear-gradient(135deg, #7c4dff, #536dfe);
    color: white;
}

.ai-message .bubble {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.85rem 1.1rem;
    max-width: 80%;
    font-size: 0.95rem;
    line-height: 1.6;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.ai-message.user .bubble {
    background: var(--green-100);
    border-color: var(--green-300);
}

.ai-input-area {
    padding: 1rem 1.5rem;
    background: white;
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 16px 16px;
}

/* Share Link Box */
.share-link-box {
    background: linear-gradient(135deg, var(--green-100), var(--green-200));
    border: 2px dashed var(--green-400);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.share-link-box input {
    background: white;
    flex: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
    }
    .login-hero {
        padding: 2rem;
        min-height: 200px;
    }
    .login-hero h1 {
        font-size: 1.8rem;
    }
    .login-form-container {
        flex: 1;
        padding: 2rem;
    }
    .stat-card .stat-value {
        font-size: 1.6rem;
    }
}

/* Page header */
.page-header {
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.page-header h2 {
    font-weight: 700;
    color: var(--green-800);
    font-size: 1.5rem;
}

/* Spinner */
.ai-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--green-200);
    border-radius: 50%;
    border-top-color: var(--green-600);
    animation: spin 0.8s linear infinite;
}

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

/* Booking page public */
.public-header {
    background: linear-gradient(135deg, var(--green-800), var(--green-600));
    color: white;
    padding: 2rem;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px rgba(27, 94, 32, 0.25);
}

.slot-card {
    border: 1.5px solid var(--border-color);
    border-radius: 14px;
    padding: 1.25rem;
    margin-bottom: 0.75rem;
    background: white;
    transition: all 0.2s;
    cursor: pointer;
}

.slot-card:hover {
    border-color: var(--green-500);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.15);
    transform: translateY(-2px);
}

/* Confirmation page */
.confirmation-card {
    text-align: center;
    padding: 3rem 2rem;
}

.confirmation-card .check-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--green-500), var(--green-400));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--green-100); }
::-webkit-scrollbar-thumb { background: var(--green-400); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-600); }

/* Chart container */
.chart-container {
    position: relative;
    height: 280px;
    width: 100%;
}