/* Diacora Health - Professional Styles */

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

:root {
    --primary-blue: #2980B9;
    --primary-blue-dark: #1a5276;
    --secondary-green: #3498DB;
    --success-green: #27ae60;
    --warning-orange: #f39c12;
    --danger-red: #e74c3c;
    --light-gray: #ecf0f1;
    --medium-gray: #95a5a6;
    --dark-gray: #34495e;
    --white: #ffffff;
    --black: #2c3e50;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f8f9fa;
    color: var(--dark-gray);
    line-height: 1.6;
}

/* ============= BUTTONS ============= */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-small {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
}

/* ============= HEADER ============= */
.header {
    background: white;
    padding: 16px 24px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo-icon {
    font-size: 24px;
}

.auth-buttons {
    display: flex;
    gap: 12px;
}

/* ============= LANDING PAGE ============= */
.landing-page {
    display: flex;
    flex-direction: column;
}

.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-green) 100%);
    color: white;
    padding: 80px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 10px;
    opacity: 0.95;
}

.hero-subtitle {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 30px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-chart {
    font-size: 120px;
}

.features {
    padding: 80px 24px;
    background: white;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.features h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--dark-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--light-gray);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--dark-gray);
}

.feature-card p {
    color: var(--medium-gray);
    font-size: 14px;
}

/* ============= MODALS ============= */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    position: relative;
    animation: slideUp 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--medium-gray);
}

.modal-content h2 {
    font-size: 24px;
    margin-bottom: 24px;
    color: var(--dark-gray);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-gray);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--light-gray);
    border-radius: 6px;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.modal-footer {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--medium-gray);
}

.modal-footer a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
}

/* ============= DASHBOARD ============= */
.dashboard {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
    background: #f8f9fa;
}

.sidebar {
    background: var(--dark-gray);
    color: white;
    padding: 24px;
    position: fixed;
    left: 0;
    top: 0;
    width: 240px;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
    font-size: 18px;
    font-weight: 700;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-logo {
    font-size: 24px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    padding: 12px 16px;
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: var(--primary-blue);
    color: white;
}

.main-content {
    grid-column: 2;
    margin-left: 240px;
}

.top-bar {
    background: white;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.welcome-section h1 {
    font-size: 28px;
    color: var(--dark-gray);
    margin-bottom: 4px;
}

.welcome-section p {
    color: var(--medium-gray);
    font-size: 14px;
}

.user-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.page-content {
    padding: 24px;
    margin-bottom: 24px;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 28px;
    color: var(--dark-gray);
}

/* ============= CARDS ============= */
.card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin-bottom: 24px;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-header h3 {
    font-size: 18px;
    color: var(--dark-gray);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
}

.status-normal {
    background: #d4edda;
    color: #155724;
}

.status-warning {
    background: #fff3cd;
    color: #856404;
}

.status-danger {
    background: #f8d7da;
    color: #721c24;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.card-glucose {
    border-left: 4px solid #e74c3c;
}

.card-bp {
    border-left: 4px solid #e67e22;
}

.card-weight {
    border-left: 4px solid #27ae60;
}

.card-large {
    grid-column: span 1;
}

.card-full {
    grid-column: 1 / -1;
}

.card-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.card-value .unit {
    font-size: 18px;
    color: var(--medium-gray);
    margin-left: 8px;
}

.card-target {
    color: var(--medium-gray);
    font-size: 14px;
    margin-bottom: 8px;
}

.card-footer {
    font-size: 12px;
    color: var(--medium-gray);
    padding-top: 12px;
    border-top: 1px solid var(--light-gray);
}

/* ============= MOOD TRACKER ============= */
.mood-tracker {
    display: flex;
    justify-content: space-around;
    gap: 10px;
    margin: 20px 0;
}

.mood-tracker-large {
    gap: 20px;
}

.mood-btn {
    width: 50px;
    height: 50px;
    border: none;
    background: var(--light-gray);
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mood-tracker-large .mood-btn {
    width: 70px;
    height: 70px;
    font-size: 36px;
}

.mood-btn:hover {
    transform: scale(1.1);
}

.mood-btn.selected {
    background: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: scale(1.2);
}

.mood-display {
    margin-top: 16px;
    padding: 12px 16px;
    background: #e8f4f8;
    border-left: 4px solid var(--secondary-green);
    border-radius: 4px;
    font-size: 14px;
}

/* ============= TABLE ============= */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table thead {
    background: var(--light-gray);
}

.data-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--dark-gray);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--light-gray);
}

.data-table tr:hover {
    background: #f8f9fa;
}

/* ============= MEDICATIONS LIST ============= */
.medications-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.medication-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--light-gray);
    border-radius: 8px;
}

.medication-info h4 {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--dark-gray);
}

.medication-info p {
    font-size: 12px;
    color: var(--medium-gray);
}

.medication-adherence {
    text-align: right;
    min-width: 100px;
}

.adherence-bar {
    width: 80px;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    margin-bottom: 4px;
    overflow: hidden;
}

.adherence-fill {
    height: 100%;
    background: var(--success-green);
}

.medication-adherence p {
    font-size: 12px;
    color: var(--medium-gray);
}

/* ============= MEDICATION SCHEDULE ============= */
.medication-schedule {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.schedule-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--light-gray);
    border-radius: 6px;
    border-left: 4px solid var(--medium-gray);
}

.schedule-item.completed {
    border-left-color: var(--success-green);
}

.schedule-item.pending {
    border-left-color: var(--warning-orange);
}

.schedule-item .time {
    font-weight: 600;
    color: var(--dark-gray);
    min-width: 60px;
}

.schedule-item .med {
    flex: 1;
    margin: 0 16px;
    color: var(--medium-gray);
    font-size: 14px;
}

.schedule-item .status {
    font-size: 12px;
    font-weight: 600;
}

/* ============= EXERCISE LIST ============= */
.exercise-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.exercise-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--light-gray);
    border-radius: 8px;
}

.exercise-icon {
    font-size: 32px;
}

.exercise-info {
    flex: 1;
}

.exercise-info h4 {
    font-weight: 600;
    margin-bottom: 4px;
}

.exercise-info p {
    font-size: 12px;
    color: var(--medium-gray);
}

.exercise-calories {
    text-align: center;
    min-width: 60px;
}

.exercise-calories span {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
}

.exercise-calories p {
    font-size: 12px;
    color: var(--medium-gray);
}

/* ============= MOOD HISTORY ============= */
.mood-history {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mood-history-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: var(--light-gray);
    border-radius: 6px;
}

.mood-emoji {
    font-size: 28px;
}

.mood-history-info p {
    margin: 0;
    font-size: 14px;
}

.mood-history-info p:first-child {
    font-weight: 600;
    color: var(--dark-gray);
}

.mood-history-info p:last-child {
    color: var(--medium-gray);
    font-size: 12px;
}

/* ============= CHART ============= */
.mini-chart {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 200px;
    gap: 8px;
    padding: 16px;
    background: var(--light-gray);
    border-radius: 8px;
}

.chart-bar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.chart-bar {
    width: 100%;
    background: var(--primary-blue);
    border-radius: 4px 4px 0 0;
    min-height: 10px;
    transition: var(--transition);
}

.chart-bar:hover {
    background: var(--primary-blue-dark);
}

.chart-label {
    font-size: 12px;
    color: var(--medium-gray);
    font-weight: 600;
}

.chart-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--dark-gray);
}

/* ============= QUICK ACTIONS ============= */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.action-btn {
    padding: 16px;
    background: var(--light-gray);
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

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

/* ============= SETTINGS ============= */
.settings-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.settings-form input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--light-gray);
    border-radius: 6px;
    background: var(--light-gray);
}

.settings-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.setting-option, .setting-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--light-gray);
    border-radius: 6px;
}

.setting-option span:first-child,
.setting-toggle span {
    font-weight: 600;
    color: var(--dark-gray);
}

.setting-toggle input[type="checkbox"] {
    width: auto;
}

/* ============= HEALTH SCORE ============= */
.health-score {
    text-align: center;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-green) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 20px auto;
}

.health-score p {
    font-size: 16px;
    color: var(--medium-gray);
}

.trends-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
}

.trends-info p {
    padding: 8px 12px;
    background: #f0f9ff;
    border-left: 3px solid var(--secondary-green);
}

/* ============= PAGE SECTION ============= */
.page-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ============= RESPONSIVE ============= */
@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: absolute;
        left: -240px;
        width: 240px;
        height: 100vh;
        z-index: 999;
    }

    .main-content {
        margin-left: 0;
        grid-column: 1;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 40px 24px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

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

    .mood-tracker {
        flex-wrap: wrap;
    }

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

    .top-bar {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-text {
        display: none;
    }

    .hero-content h1 {
        font-size: 24px;
    }

    .card-value {
        font-size: 24px;
    }

    .modal-content {
        margin: 16px;
    }
}

/* ============= FORM UPDATES ============= */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--light-gray);
    border-radius: 6px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--light-gray);
    border-radius: 6px;
    font-size: 14px;
    min-height: 80px;
    resize: vertical;
    font-family: inherit;
    transition: var(--transition);
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

/* Logo in sidebar */
.sidebar-header img {
    height: 24px;
    width: auto;
    object-fit: contain;
}

.logo img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

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