/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ed8936;
    --info-color: #4299e1;
    --gray-50: #f7fafc;
    --gray-100: #edf2f7;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #a0aec0;
    --gray-500: #718096;
    --gray-600: #4a5568;
    --gray-700: #2d3748;
    --gray-800: #1a202c;
    --gray-900: #171923;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
    --shadow-xl: 0 19px 38px rgba(0, 0, 0, 0.30), 0 15px 12px rgba(0, 0, 0, 0.22);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.15s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--gray-700);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.loading-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Connection Status */
.connection-status {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 2px solid var(--info-color);
    color: var(--info-color);
    font-weight: 600;
    animation: slideInDown 0.5s ease-out;
}

.connection-status.success {
    border-color: var(--success-color);
    color: var(--success-color);
}

.connection-status.error {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.connection-status.hidden {
    display: none;
}

@keyframes slideInDown {
    from {
        transform: translateY(-30px) translateX(-50%);
        opacity: 0;
    }

    to {
        transform: translateY(0) translateX(-50%);
        opacity: 1;
    }
}

/* Section Management */
.auth-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    position: relative;
}

.auth-section.hidden {
    display: none !important;
}

.dashboard-section {
    display: block;
    min-height: 100vh;
}

.dashboard-section.hidden {
    display: none !important;
}

/* Auth Card */
.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 3rem;
    width: 100%;
    max-width: 480px;
    animation: slideUp 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    font-weight: 700;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: var(--shadow);
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--gray-500);
    font-size: 1rem;
}

/* Form Styles */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.form-group small {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 400;
    background: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
    color: var(--gray-700);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
    transform: translateY(-2px);
}

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

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

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
    font-size: 1.1rem;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 50%;
}

.toggle-password:hover {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

/* Button Styles */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    min-height: 52px;
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Password Strength */
.password-strength {
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.password-match {
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Checkbox Label */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray-600);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.auth-footer p {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.auth-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.form-links {
    text-align: center;
    margin-top: 1rem;
}

.form-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-links a:hover {
    text-decoration: underline;
}

/* Dashboard Header */
.dashboard-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.dashboard-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.dashboard-header-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hospital-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-800);
}

.hospital-info p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* Dashboard Container */
.dashboard-container {
    display: flex;
    min-height: calc(100vh - 80px);
    background: var(--gray-50);
}

/* Sidebar */
.dashboard-sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}

.dashboard-menu {
    flex: 1;
    padding: 1rem 0;
}

.menu-item {
    margin: 0.25rem 0.5rem;
    cursor: pointer;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition);
}

.menu-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(240, 147, 251, 0.1));
    color: var(--gray-800);
    transform: translateX(5px);
}

.menu-item.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow);
}

.menu-icon {
    font-size: 1.2rem;
    width: 1.5rem;
    text-align: center;
}

/* Dashboard Main */
.dashboard-main {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.dashboard-view {
    display: block;
}

.dashboard-view.hidden {
    display: none !important;
}

.dashboard-view h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 2rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-content h3 {
    font-size: 0.9rem;
    color: var(--gray-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Add Record Section */
.add-record-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.add-record-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1.5rem;
}

/* Patient Verification */
.patient-verification {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(248, 250, 252, 0.8));
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.patient-verification h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.verification-status {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
}

.verification-status.success {
    background: #dcfce7;
    color: #166534;
    border: 2px solid #bbf7d0;
}

.verification-status.error {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid #fecaca;
}

.patient-info {
    margin-top: 1rem;
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 2px solid var(--gray-200);
}

.patient-info.hidden {
    display: none;
}

.patient-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-100);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row.alert {
    background: rgba(245, 101, 101, 0.1);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(245, 101, 101, 0.3);
}

/* Records List */
.records-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.record-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.record-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.record-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.record-header h3 {
    font-size: 1.2rem;
    color: var(--gray-800);
}

.severity-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 25px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.severity-badge.low {
    background: #dcfce7;
    color: #166534;
}

.severity-badge.medium {
    background: #fef3c7;
    color: #92400e;
}

.severity-badge.high {
    background: #fed7aa;
    color: #9a3412;
}

.severity-badge.critical {
    background: #fee2e2;
    color: #991b1b;
}

.record-body p {
    margin-bottom: 0.5rem;
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-500);
}

.empty-state p {
    font-size: 1.1rem;
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    font-weight: 600;
    animation: slideInRight 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    backdrop-filter: blur(20px);
    opacity: 0;
    transform: translateX(100%);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification.success {
    background: linear-gradient(135deg, rgba(220, 252, 231, 0.95), rgba(187, 247, 208, 0.95));
    color: #166534;
    border: 2px solid #bbf7d0;
}

.notification.error {
    background: linear-gradient(135deg, rgba(254, 242, 242, 0.95), rgba(254, 202, 202, 0.95));
    color: #991b1b;
    border: 2px solid #fecaca;
}

.notification.info {
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.95), rgba(219, 234, 254, 0.95));
    color: #1e40af;
    border: 2px solid #dbeafe;
}

/* File List */
.file-list {
    margin-top: 1rem;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-container {
        flex-direction: column;
    }

    .dashboard-sidebar {
        width: 100%;
        order: 2;
    }

    .dashboard-main {
        order: 1;
    }
}

@media (max-width: 768px) {
    .auth-card {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .dashboard-main {
        padding: 1rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .records-list {
        grid-template-columns: 1fr;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 1.5rem;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .auth-header h2 {
        font-size: 1.5rem;
    }
}