/**
 * Main Stylesheet - theperformancecoach
 * 
 * Modern, clean design with responsive layout.
 * Brand colors:
 * - Navy: #0E4461
 * - Green: #0B9748
 */

/* ============================================
   CSS Variables / Design Tokens
   ============================================ */
:root {
    /* Colors */
    --color-primary: #0B9748;        /* Green (CTAs, links) */
    --color-primary-dark: #087A3A;
    --color-primary-light: #14B85F;

    --color-secondary: #0E4461;      /* Navy (brand) */
    --color-secondary-dark: #0A344A;
    --color-accent: #0B9748;
    
    --color-success: #0B9748;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    --color-text: #0b1320;
    --color-text-light: #3b4a5a;
    --color-text-muted: #6b7a89;
    
    --color-bg: #ffffff;
    --color-bg-alt: #f3f6fa;
    --color-bg-dark: #081f2e;
    
    --color-border: #e3eaf2;
    --color-border-dark: #c7d3df;
    
    /* Typography */
    --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Layout */
    --container-max: 1200px;
    --header-height: 64px;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-alt);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--space-4);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p { margin: 0 0 var(--space-4); }

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

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

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

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.page-wrapper {
    min-height: calc(100vh - var(--header-height) - 200px);
}

.app-page {
    padding: var(--space-6) 0;
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(14, 68, 97, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
}

.site-header .container {
    display: flex;
    align-items: center;
    height: 100%;
    gap: var(--space-6);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: white;
}

.logo:hover { color: white; }

.logo-image {
    height: 34px;
    width: auto;
    display: block;
}

.main-nav {
    display: flex;
    gap: var(--space-1);
    margin-right: auto;
}

.nav-link {
    padding: var(--space-2) var(--space-3);
    color: rgba(255, 255, 255, 0.78);
    font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.10);
}

.nav-link.active {
    background: rgba(11, 151, 72, 0.18);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.site-header .btn-text {
    color: rgba(255, 255, 255, 0.82);
}

.site-header .btn-text:hover {
    color: white;
    background: rgba(255, 255, 255, 0.10);
}

.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: 1px solid rgba(255, 255, 255, 0.20);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    font-family: inherit;
    font-size: var(--font-size-sm);
    color: white;
}

.user-caret {
    font-size: 0.7em;
    color: rgba(255, 255, 255, 0.70);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    margin-top: var(--space-2);
    padding: var(--space-2);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.user-menu.open .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: block;
    padding: var(--space-2) var(--space-3);
    color: var(--color-text);
    border-radius: var(--radius-sm);
}

.user-dropdown a:hover {
    background: var(--color-bg-alt);
}

.user-dropdown hr {
    margin: var(--space-2) 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: white;
    transition: all var(--transition-fast);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    padding: var(--space-12) 0 var(--space-8);
    margin-top: var(--space-16);
    background: linear-gradient(180deg, rgba(14, 68, 97, 0.98) 0%, rgba(10, 52, 74, 1) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.86);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: var(--space-8);
    align-items: start;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
}

.footer-logo-image {
    height: 34px;
    width: auto;
    display: block;
}

.footer-tagline {
    margin: var(--space-3) 0 0;
    color: rgba(255, 255, 255, 0.72);
    max-width: 44ch;
    font-size: var(--font-size-sm);
}

.footer-heading {
    margin: 0 0 var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: rgba(255, 255, 255, 0.62);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.78);
    font-size: var(--font-size-sm);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: white;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-contact-name {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
}

.footer-bottom {
    margin-top: var(--space-8);
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-copyright {
    margin: 0;
    color: rgba(255, 255, 255, 0.60);
    font-size: var(--font-size-sm);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.5;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    color: white;
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 10px 24px rgba(11, 151, 72, 0.20);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(11, 151, 72, 0.22);
}

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

.btn-outline {
    color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.60);
    border-color: rgba(14, 68, 97, 0.25);
}

.btn-outline:hover:not(:disabled) {
    background: rgba(14, 68, 97, 0.08);
    border-color: rgba(14, 68, 97, 0.35);
    color: var(--color-secondary);
}

.btn-text {
    color: var(--color-text-light);
    background: transparent;
    border-color: transparent;
}

.btn-text:hover {
    color: var(--color-text);
}

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

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
}

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

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: inherit;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11, 151, 72, 0.18);
}

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

.form-group input.error:focus {
    box-shadow: 0 0 0 3px rgba(245, 101, 101, 0.15);
}

.form-group .error-text {
    display: block;
    margin-top: var(--space-1);
    color: var(--color-error);
    font-size: var(--font-size-sm);
}

.form-group .help-text {
    display: block;
    margin-top: var(--space-1);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
}

.form-actions {
    margin-top: var(--space-6);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
}

.alert-success {
    color: #276749;
    background: #c6f6d5;
}

.alert-error {
    color: #c53030;
    background: #fed7d7;
}

.alert-warning {
    color: #c05621;
    background: #feebc8;
}

.alert-info {
    color: #2b6cb0;
    background: #bee3f8;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    margin: 0;
    font-size: var(--font-size-xl);
}

/* ============================================
   Tables
   ============================================ */
.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

th {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    background: var(--color-bg-alt);
}

tbody tr:hover {
    background: var(--color-bg-alt);
}

/* ============================================
   Auth Pages
   ============================================ */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height) - 200px);
    padding: var(--space-8) var(--space-4);
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.auth-card-wide {
    max-width: 560px;
}

.auth-card h1 {
    text-align: center;
    margin-bottom: var(--space-2);
}

.auth-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--space-6);
}

.auth-links {
    text-align: center;
    margin-top: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.auth-links .divider {
    margin: 0 var(--space-2);
}

.auth-note {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   Landing Page
   ============================================ */
.landing-page .hero {
    padding: var(--space-16) 0;
    text-align: center;
    background:
        radial-gradient(900px 400px at 18% 0%, rgba(11, 151, 72, 0.22) 0%, rgba(11, 151, 72, 0) 60%),
        linear-gradient(135deg, #0E4461 0%, #081f2e 100%);
    color: white;
}

.landing-page .hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-4);
    color: white;
}

.hero-subtitle {
    max-width: 600px;
    margin: 0 auto var(--space-8);
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.80);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-note {
    margin-top: var(--space-4);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.65);
}

.landing-page .hero .btn-outline {
    color: rgba(255, 255, 255, 0.92);
    background: transparent;
    border-color: rgba(255, 255, 255, 0.35);
}

.landing-page .hero .btn-outline:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.45);
    color: white;
}

.features {
    padding: var(--space-16) 0;
}

.features h2 {
    text-align: center;
    margin-bottom: var(--space-12);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.feature-card {
    padding: var(--space-6);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.feature-card h3 {
    margin-bottom: var(--space-2);
    font-size: var(--font-size-lg);
}

.feature-card p {
    margin: 0;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.pricing {
    padding: var(--space-16) 0;
    background: var(--color-bg-alt);
}

.pricing h2 {
    text-align: center;
    margin-bottom: var(--space-2);
}

.pricing-intro {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--space-12);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    max-width: 960px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card .badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-card h3 {
    margin-bottom: var(--space-2);
}

.pricing-card .price {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
}

.pricing-card .price span {
    font-size: var(--font-size-base);
    font-weight: 400;
    color: var(--color-text-light);
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-6);
    text-align: left;
}

.pricing-card li {
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
    color: var(--color-text-light);
}

.pricing-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================
   Dashboard Layout
   ============================================ */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.dashboard-header h1 {
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.stat-card {
    padding: var(--space-4);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.stat-card .stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-1);
}

.stat-card .stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        padding: var(--space-4);
        background: rgba(14, 68, 97, 0.98);
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .auth-card {
        padding: var(--space-6);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .footer-bottom {
        text-align: center;
    }
}