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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #22c55e;
    
    --background-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --surface-color: #ffffff;
    --surface-secondary: #f8fafc;
    --surface-hover: #f1f5f9;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

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

body {
    font-family: var(--font-primary);
    background: var(--surface-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    
    /* Enhanced Background with Image */
    
    background-image: 
        linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%),
        url('../photo/WhatsApp\ Image\ 2025-09-19\ at\ 09.11.41.jpeg');
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
    position: relative;
}

/* Fallback background pattern if image doesn't load */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
        linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    z-index: -1;
    pointer-events: none;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--surface-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Enhanced Header with Glass Effect */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(226, 232, 240, 0.2);
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.header:hover {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.header-brand {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-fast);
}

.header-brand:hover {
    color: var(--primary-dark);
    transform: translateY(-1px);
}

/* Portal Cards with Glass Morphism Effect */
.portal-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 3rem 0;
    text-align: center;
}

.portal-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
}

.portal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.portal-card:hover::before {
    transform: scaleX(1);
}

.portal-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
}

.portal-card h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0 0 1rem 0;
    transition: var(--transition-fast);
}

.portal-card:hover h2 {
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.portal-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

/* Enhanced Form Styling with Glass Effect */
.form-container {
    max-width: 480px;
    margin: 3rem auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--background-gradient);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.form-container h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.form-container h1 span {
    color: var(--primary-color);
    text-transform: capitalize;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-group {
    margin-bottom: 1.75rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
    background: var(--surface-color);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--primary-light);
}

/* Enhanced Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-size: 1rem;
    font-weight: 500;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn.btn-full {
    width: 100%;
}

.btn.btn-secondary {
    background: var(--surface-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn.btn-success {
    background: linear-gradient(135deg, var(--success-color), #16a34a);
}

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

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

.btn.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Enhanced Dashboard with Glass Effect */
.dashboard-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    margin-bottom: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.dashboard-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--background-gradient);
}

.dashboard-header h1 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.dashboard-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
}

/* Enhanced Card Design with Glass Effect */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--background-gradient);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.15);
}

.card:hover::before {
    opacity: 1;
}

.card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1.5rem 0;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--surface-secondary);
    position: relative;
}

.card h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--background-gradient);
}

.card h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-color);
    margin: 1.5rem 0 1rem 0;
}

/* Enhanced Lists */
.appointment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.appointment-list-container {
    max-height: 500px; 
    overflow-y: auto;
    padding-right: 10px; /* space for scrollbar */
}

.appointment-item {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    background: var(--surface-secondary);
    border-left: 4px solid var(--border-color);
}

.appointment-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.appointment-item:hover {
    background: var(--surface-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.appointment-item.status-done {
    background: #dcfce7;
    border-left-color: var(--success-color);
    opacity: 0.8;
}

.appointment-item.status-current {
    background: #dbeafe;
    border-left-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.appointment-item strong {
    color: var(--primary-color);
    font-weight: 600;
}

.appointment-item a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.appointment-item a:hover {
    color: var(--primary-dark);
}

/* Enhanced Error Messages */
.error-message {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    color: var(--danger-color);
    padding: 1.25rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--danger-color);
    font-weight: 500;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

/* Enhanced Form Links */
.form-link {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.form-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    position: relative;
}

.form-link a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.form-link a:hover::after {
    width: 100%;
}

.form-link a:hover {
    color: var(--primary-dark);
}

/* Enhanced Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

table th {
    background: var(--surface-secondary);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

table tbody tr:hover {
    background: var(--surface-hover);
}

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

/* Enhanced Checkboxes */
input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 0.5rem;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

input[type="checkbox"]:checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    font-weight: bold;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

input[type="checkbox"]:hover {
    border-color: var(--primary-color);
    transform: scale(1.1);
}

/* Enhanced Form Blocks for Admin with Glass Effect */
.form-block {
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(226, 232, 240, 0.3);
    margin-top: 1rem;
}

.form-block input,
.form-block select,
.form-block button {
    margin-bottom: 0.75rem;
}

/* Responsive Design with Background Adjustments */
@media (max-width: 768px) {
    body {
        background-attachment: scroll; /* Better performance on mobile */
        background-size: cover;
        background-position: center center;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .header {
        padding: 1rem;
        background: rgba(255, 255, 255, 0.98); /* More opaque on mobile */
    }
    
    .portal-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem 0;
    }
    
    .portal-card {
        padding: 2rem 1.5rem;
        background: rgba(255, 255, 255, 0.98); /* More opaque on mobile */
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-container {
        margin: 2rem auto;
        padding: 2rem 1.5rem;
        background: rgba(255, 255, 255, 0.98); /* More opaque on mobile */
    }
    
    .dashboard-header {
        padding: 2rem 1.5rem;
        background: rgba(255, 255, 255, 0.98); /* More opaque on mobile */
    }
    
    .card {
        padding: 1.5rem;
        background: rgba(255, 255, 255, 0.98); /* More opaque on mobile */
    }
}

@media (max-width: 480px) {
    body {
        background-size: cover;
        background-position: center top; /* Better positioning on small screens */
    }
    
    .header-brand {
        font-size: 1.4rem;
    }
    
    .dashboard-header h1 {
        font-size: 1.75rem;
    }
    
    .portal-card h2 {
        font-size: 1.3rem;
    }
    
    .form-container h1 {
        font-size: 1.6rem;
    }
    
    /* Ensure readability on very small screens */
    .portal-card,
    .card,
    .form-container,
    .dashboard-header {
        background: rgba(255, 255, 255, 0.99);
    }
}

/* Large screen optimizations */
@media (min-width: 1200px) {
    body {
        background-size: cover;
        background-position: center center;
        background-attachment: fixed;
    }
    
    .container {
        max-width: 1400px;
    }
    
    .portal-container {
        grid-template-columns: repeat(4, 1fr);
        gap: 3rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr 1.2fr;
    }
}

/* Very large screen optimizations */
@media (min-width: 1600px) {
    body {
        background-size: 100% 100%; /* Full coverage on very large screens */
    }
    
    .container {
        max-width: 1600px;
    }
}

/* Doctor Settings Grid */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.settings-grid {
    grid-template-columns: 1fr;
    gap: 2rem; /* A slightly larger gap can be nice on mobile */
}
/* Loading Spinner */
.loader-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 4rem;
}

.loader {
    border: 8px solid #f3f3f3; /* Light grey */
    border-top: 8px solid #3b82f6; /* Blue */
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
/* Google Sign-Up বাটনের স্টাইল */

.divider-text {
    text-align: center;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: #777;
}

.google-btn-container {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* Google বাটনটিকে ফর্মের মতো চওড়া করার জন্য (ঐচ্ছিক) */
.google-btn-container > div {
    width: 100%;
}
.google-btn-container iframe {
    width: 100% !important;
}
.success-message {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    color: var(--success-color);
    padding: 1.25rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--success-color);
    font-weight: 500;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}