:root {
    --primary-blue: #3f74b9;
    --primary-blue-dark: #2d558a;
    --primary-blue-light: #eff4fa;
    --primary-gray: #818284;
    --primary-gray-light: #f5f6f7;
    --dark: #333333;
    --white: #ffffff;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(63, 116, 185, 0.15);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #fbfbfc;
    color: var(--dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a:hover {
    color: var(--primary-blue-dark);
}

/* Header */
.main-header {
    background: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container h1 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    font-weight: 700;
}

.logo-container p {
    font-size: 0.9rem;
    color: var(--primary-gray);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
}

.btn-admin {
    background-color: var(--primary-gray-light);
    color: var(--primary-gray);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

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

/* Main Content */
main {
    padding: 40px 0;
    min-height: calc(100vh - 160px);
}

.search-bar {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
}

.search-input {
    width: 100%;
    max-width: 600px;
    padding: 16px 24px;
    font-size: 1rem;
    border: 2px solid transparent;
    border-radius: 50px;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

/* Grid & Cards */
.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
}

.doctor-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.doctor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(63, 116, 185, 0.2);
}

.card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 24px;
    border-bottom: 1px solid var(--primary-gray-light);
    background: linear-gradient(to bottom, var(--primary-blue-light) 0%, var(--white) 100%);
}

.doctor-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 20px;
    margin-right: 0;
    flex-shrink: 0;
    background-color: var(--white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    border: 3px solid var(--white);
}

.doctor-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.doctor-title {
    flex-grow: 1;
}

.doctor-title h2 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 4px;
    line-height: 1.2;
}

.doctor-title .specialty {
    font-size: 0.95rem;
    color: var(--dark);
    font-weight: 500;
}

.doctor-title .subspecialty {
    font-size: 0.85rem;
    color: var(--primary-gray);
    margin-top: 2px;
}

.card-body {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-group {
    display: flex;
    align-items: flex-start;
    font-size: 0.9rem;
}

.info-group .label {
    width: 90px;
    flex-shrink: 0;
    color: var(--primary-gray);
    font-weight: 500;
}

.info-group .value {
    color: var(--dark);
    flex-grow: 1;
}

.valueHighlight {
    background-color: var(--primary-blue-light);
    color: var(--primary-blue-dark);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.85rem;
}

.services {
    margin-top: 10px;
    padding-top: 15px;
    border-top: 1px dashed var(--primary-gray-light);
}

.services .label {
    display: block;
    color: var(--primary-gray);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.services-text {
    font-size: 0.85rem;
    color: var(--dark);
    line-height: 1.5;
    background-color: var(--primary-gray-light);
    padding: 10px 12px;
    border-radius: 8px;
}

/* Footer */
.main-footer {
    background-color: var(--dark);
    color: var(--primary-gray);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}

/* Admin Styles */
.admin-vh {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, #e2eaf5 100%);
}

.admin-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.login-card {
    max-width: 400px;
    text-align: center;
}

.login-card h2 {
    color: var(--primary-blue);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(63, 116, 185, 0.15);
}

.btn-primary {
    display: inline-block;
    width: 100%;
    padding: 14px;
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(63, 116, 185, 0.3);
}

.btn-secondary {
    display: inline-block;
    padding: 10px 16px;
    background-color: var(--primary-gray);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-danger {
    background-color: #e53e3e;
    color: white;
}

.btn-danger:hover {
    background-color: #c53030;
    color: white;
}

.error-msg {
    color: #e53e3e;
    background-color: #fff5f5;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    border-left: 4px solid #e53e3e;
}

.success-msg {
    color: #38a169;
    background-color: #f0fff4;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    border-left: 4px solid #38a169;
}

/* Dashboard Table */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--primary-gray-light);
}

.table-responsive {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-gray-light);
}

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

.admin-table th,
.admin-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--primary-gray-light);
    vertical-align: middle;
}

.admin-table th {
    background-color: var(--primary-blue-light);
    color: var(--primary-blue-dark);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.admin-table tbody tr:hover {
    background-color: #fcfcfd;
}

.admin-table td {
    font-size: 0.95rem;
    color: var(--dark);
}

.action-btn {
    display: inline-flex;
    align-items: center;
    background-color: var(--primary-blue-light);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
}

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

.photo-cell {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-blue-light);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .header-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}