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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #10b981;
    --secondary-dark: #0d9668;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --light: #f8fafc;
    --dark: #1e293b;
    --gray: #64748b;
    --gray-light: #e2e8f0;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #f1f5f9;
    min-height: 100vh;
    padding-bottom: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo i {
    color: var(--primary);
    font-size: 2rem;
}

.logo h1 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--dark);
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition);
}

nav a:hover, nav a.active {
    background-color: var(--primary);
    color: white;
}

main {
    padding-top: 2rem;
}

.page-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
    position: relative;
    display: inline-block;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 2px;
}

.page-subtitle {
    color: var(--gray);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.dashboard {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (max-width: 992px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
}

.booking-section, .history-section {
    background-color: white;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    padding: 2rem;
    animation: fadeIn 0.8s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    color: var(--dark);
}

.date-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.date-btn {
    background-color: var(--gray-light);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

.date-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.date-btn:disabled:hover {
    background-color: var(--gray-light);
    color: inherit;
}

.current-date {
    font-weight: 500;
    font-size: 1.1rem;
}

.date-info {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

.slots-container {
    margin-top: 1.5rem;
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.slot-card {
    background-color: var(--light);
    border-radius: 0.8rem;
    padding: 1.2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    animation: popIn 0.5s ease;
}

@keyframes popIn {
    0% { opacity: 0; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1); }
}

.slot-card:hover:not(.past):not(.booked) {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.slot-time {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.slot-status {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    display: inline-block;
}

.available {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--secondary-dark);
}

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

.past {
    background-color: rgba(100, 116, 139, 0.1);
    color: var(--gray);
    cursor: not-allowed;
}

.past .slot-time {
    color: var(--gray);
}

.selected {
    border-color: var(--primary);
    background-color: rgba(37, 99, 235, 0.05);
}

.booking-form {
    margin-top: 2rem;
    background-color: var(--light);
    padding: 1.5rem;
    border-radius: 0.8rem;
    display: none;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--gray-light);
    border-radius: 0.5rem;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.other-reason-container {
    margin-top: 0.8rem;
    display: none;
}

.other-reason-container.show {
    display: block;
    animation: slideDown 0.3s ease;
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

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

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

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

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

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

.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.history-list {
    margin-top: 1.5rem;
    max-height: 500px;
    overflow-y: auto;
}

.history-item {
    background-color: var(--light);
    border-radius: 0.8rem;
    padding: 1.2rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary);
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.history-date {
    font-weight: 600;
    color: var(--dark);
}

.history-status {
    font-size: 0.85rem;
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
}

.history-details {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    color: var(--gray);
    font-size: 0.95rem;
}

.empty-history {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray);
}

.empty-history i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--gray-light);
}

.notification {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    z-index: 1000;
    transform: translateX(150%);
    transition: transform 0.5s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--secondary);
}

.notification.error {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.notification.info {
    background-color: #dbeafe;
    color: #1e40af;
    border-left: 4px solid var(--primary);
}

footer {
    margin-top: 3rem;
    text-align: center;
    color: var(--gray);
    font-size: 0.9rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-light);
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .slots-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .history-details {
        flex-direction: column;
        gap: 0.3rem;
    }
}

.confirmed {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--secondary-dark);
}

.cancelled {
    background-color: rgba(100, 116, 139, 0.1);
    color: var(--gray);
}

.doctor-info {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--gray-light);
    border-radius: 0.5rem;
    display: none;
}

.doctor-info.show {
    display: block;
}

.history-filter {
    margin-bottom: 1.5rem;
}