/* ==========================================================================
   Dr Farid Medical Clinic - Patient Mobile View
   Mobile-first responsive CSS for Monjaro tracking patient portal
   ========================================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Montserrat:wght@400;500;600;700&display=swap');

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --primary: #0085c8;
    --primary-hover: #006da3;
    --primary-100: #e0f0f8;
    --primary-200: #b3ddf0;
    --primary-transparent: #eef7fc;
    --secondary: #5fdbe1;
    --secondary-hover: #4cc5cb;
    --secondary-transparent: #eefafb;
    --accent: #f6ac1b;
    --accent-hover: #e59d0f;
    --danger: #f45a2a;
    --success: #28a745;
    --light: #f8fbfe;
    --white: #ffffff;
    --dark: #2f373d;
    --muted: #7e868c;
    --border: #e8ecf1;
    --shadow-sm: 0 2px 8px rgba(0, 133, 200, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 133, 200, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 133, 200, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0;
    color: var(--dark);
}

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

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

img {
    max-width: 100%;
    height: auto;
}

/* ==========================================================================
   Patient App Container
   ========================================================================== */
.patient-app {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px;
    padding-top: 64px; /* Space for sticky top bar */
    padding-bottom: 32px;
    min-height: 100vh;
}

.patient-app-login {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ==========================================================================
   Top Bar (Sticky Header)
   ========================================================================== */
.patient-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 16px;
}

.patient-topbar .topbar-inner {
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.patient-topbar .topbar-logo img {
    height: 32px;
    width: auto;
}

.patient-topbar .topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.patient-topbar .topbar-username {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 14px;
    color: var(--dark);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.patient-topbar .btn-logout {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background-color: var(--primary-100);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.patient-topbar .btn-logout:hover {
    background-color: var(--primary);
    color: var(--white);
}

.patient-topbar .btn-logout svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Login Page
   ========================================================================== */
.login-container {
    width: 100%;
    padding: 24px 0;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo img {
    height: 48px;
    width: auto;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.login-header p {
    font-size: 15px;
    color: var(--muted);
    margin: 0;
}

.login-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 13px;
    color: var(--dark);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group .form-control {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    font-family: 'Lato', sans-serif;
    font-size: 16px; /* Prevents iOS zoom on focus */
    color: var(--dark);
    background-color: var(--light);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.form-group .form-control::placeholder {
    color: #b0b8c1;
    font-size: 14px;
}

.form-group .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 133, 200, 0.1);
    background-color: var(--white);
}

.form-group .input-icon-wrap {
    position: relative;
}

.form-group .input-icon-wrap .form-control {
    padding-left: 44px;
}

.form-group .input-icon-wrap .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    pointer-events: none;
}

.form-group .input-icon-wrap .input-icon svg {
    width: 20px;
    height: 20px;
}

.login-error {
    background-color: #fff5f5;
    border: 1px solid #fed7d7;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 20px;
    color: var(--danger);
    font-size: 14px;
    display: none;
}

.login-error.show {
    display: block;
}

.login-footer {
    text-align: center;
    margin-top: 32px;
    padding-bottom: 24px;
}

.login-footer p {
    font-size: 12px;
    color: var(--muted);
    margin: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 15px;
    min-height: 48px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
}

.btn-block {
    display: flex;
    width: 100%;
}

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

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

.btn-primary:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

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

.btn-accent:hover,
.btn-accent:active {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--primary);
}

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

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

.btn-outline-danger {
    background-color: transparent;
    color: var(--danger);
    border-color: var(--danger);
}

.btn-outline-danger:hover,
.btn-outline-danger:active {
    background-color: var(--danger);
    color: var(--white);
}

.btn .btn-icon {
    margin-right: 8px;
}

.btn .btn-icon svg {
    width: 20px;
    height: 20px;
}

/* Loading spinner on button */
.btn .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 8px;
    display: none;
}

.btn.loading .spinner {
    display: block;
}

.btn.loading .btn-text {
    /* keep visible */
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Package Info Card
   ========================================================================== */
.package-card {
    background: linear-gradient(135deg, var(--primary) 0%, #3d47c4 100%);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.package-card::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    background: rgba(95, 219, 225, 0.15);
    border-radius: 50%;
}

.package-card::before {
    content: '';
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 80px;
    height: 80px;
    background: rgba(246, 172, 27, 0.1);
    border-radius: 50%;
}

.package-card .package-name {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 4px;
}

.package-card .package-visit-info {
    font-size: 14px;
    opacity: 0.85;
    margin-bottom: 12px;
}

.package-card .package-progress {
    height: 8px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.package-card .package-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary) 0%, #7de8ec 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* ==========================================================================
   Stats Grid
   ========================================================================== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: box-shadow 0.2s ease;
}

.stat-card:active {
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 24px;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.stat-value .trend {
    font-size: 14px;
    display: inline-flex;
    align-items: center;
}

.stat-value .trend.down {
    color: var(--success);
}

.stat-value .trend.up {
    color: var(--danger);
}

.stat-value .trend.neutral {
    color: var(--muted);
}

.stat-value .trend svg {
    width: 16px;
    height: 16px;
}

.stat-label {
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    margin: 0;
}

.stat-unit {
    font-size: 14px;
    font-weight: 400;
    color: var(--muted);
}

/* ==========================================================================
   Chart Section
   ========================================================================== */
.chart-section {
    width: 100%;
    margin-bottom: 16px;
}

.chart-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    margin-bottom: 12px;
}

.chart-card .chart-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 14px;
    color: var(--dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-card .chart-title .chart-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chart-card .chart-title .chart-icon svg {
    width: 16px;
    height: 16px;
}

.chart-card .chart-title .chart-icon.weight {
    background-color: var(--primary-100);
    color: var(--primary);
}

.chart-card .chart-title .chart-icon.bp {
    background-color: #fef3f2;
    color: var(--danger);
}

.chart-card .chart-title .chart-icon.dxt {
    background-color: #fef9ec;
    color: var(--accent);
}

.chart-card .chart-title .chart-icon.bmi {
    background-color: var(--secondary-transparent);
    color: var(--secondary-hover);
}

.chart-container {
    width: 100%;
    height: 250px;
    position: relative;
}

/* ==========================================================================
   Visit History
   ========================================================================== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    color: var(--dark);
}

.section-header .section-badge {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    background-color: var(--primary-100);
    padding: 4px 10px;
    border-radius: 20px;
}

.visit-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 10px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    transition: box-shadow 0.2s ease;
}

.visit-card:active {
    box-shadow: var(--shadow-md);
}

.visit-card .visit-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.visit-card .visit-number {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 15px;
    color: var(--primary);
}

.visit-card .visit-date {
    font-size: 13px;
    color: var(--muted);
    font-weight: 600;
}

.visit-card .visit-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.visit-card .visit-metric {
    text-align: center;
    padding: 6px 4px;
    background-color: var(--light);
    border-radius: var(--radius-sm);
}

.visit-card .visit-metric .metric-value {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    color: var(--dark);
    line-height: 1.3;
}

.visit-card .visit-metric .metric-label {
    font-size: 10px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 700;
}

.visit-card .visit-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.visit-card .visit-pr {
    font-size: 13px;
    color: var(--muted);
}

.visit-card .visit-pr strong {
    color: var(--dark);
}

.payment-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.payment-badge.full {
    background-color: #e6f7ee;
    color: var(--success);
}

.payment-badge.partial {
    background-color: #fef9ec;
    color: var(--accent);
}

.payment-badge.pending {
    background-color: #fff5f5;
    color: var(--danger);
}

/* ==========================================================================
   Progress Bar (Bootstrap override)
   ========================================================================== */
.progress {
    height: 8px;
    background-color: rgba(0, 133, 200, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 4px;
}

/* ==========================================================================
   Loading State
   ========================================================================== */
.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 16px;
}

.loading-screen .loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--primary-100);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-screen p {
    font-size: 14px;
    color: var(--muted);
}

/* ==========================================================================
   Empty State
   ========================================================================== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--primary-200);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    color: var(--muted);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.mb-0 { margin-bottom: 0 !important; }
.mb-8 { margin-bottom: 8px !important; }
.mb-12 { margin-bottom: 12px !important; }
.mb-16 { margin-bottom: 16px !important; }
.mb-20 { margin-bottom: 20px !important; }
.mb-24 { margin-bottom: 24px !important; }
.mb-32 { margin-bottom: 32px !important; }
.mt-16 { margin-top: 16px !important; }
.mt-24 { margin-top: 24px !important; }
.mt-32 { margin-top: 32px !important; }
.text-center { text-align: center; }
.text-muted { color: var(--muted) !important; }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.fw-bold { font-weight: 700 !important; }
.d-none { display: none !important; }
.d-block { display: block !important; }

/* ==========================================================================
   Divider
   ========================================================================== */
.divider {
    height: 1px;
    background-color: var(--border);
    margin: 20px 0;
}

/* ==========================================================================
   Logout Section (bottom of dashboard)
   ========================================================================== */
.logout-section {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* ==========================================================================
   Responsive - Tablet & Up (768px+)
   ========================================================================== */
@media (min-width: 768px) {
    .patient-app {
        max-width: 600px;
        padding: 0 24px;
        padding-top: 72px;
        padding-bottom: 40px;
    }

    .patient-app-login {
        max-width: 480px;
    }

    .patient-topbar {
        height: 64px;
        padding: 0 24px;
    }

    .patient-topbar .topbar-inner {
        max-width: 600px;
    }

    .stat-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-value {
        font-size: 28px;
    }

    .visit-card .visit-metrics {
        grid-template-columns: repeat(4, 1fr);
    }

    .package-card {
        padding: 24px;
    }

    .package-card .package-name {
        font-size: 20px;
    }

    .chart-container {
        height: 280px;
    }

    .login-card {
        padding: 32px;
    }

    .login-header h1 {
        font-size: 28px;
    }
}

/* ==========================================================================
   Responsive - Desktop (1024px+)
   ========================================================================== */
@media (min-width: 1024px) {
    .patient-app {
        max-width: 640px;
    }

    .patient-topbar .topbar-inner {
        max-width: 640px;
    }
}

/* ==========================================================================
   Safe Area (iOS notch support)
   ========================================================================== */
@supports (padding-top: env(safe-area-inset-top)) {
    .patient-topbar {
        padding-top: env(safe-area-inset-top);
        height: calc(56px + env(safe-area-inset-top));
    }

    .patient-app {
        padding-top: calc(64px + env(safe-area-inset-top));
        padding-bottom: calc(32px + env(safe-area-inset-bottom));
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .patient-topbar,
    .logout-section,
    .btn-logout {
        display: none !important;
    }

    .patient-app {
        padding-top: 0;
        max-width: 100%;
    }

    .chart-card,
    .stat-card,
    .visit-card,
    .package-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}