/* ==========================================================================
   Course Caddy Tournament Edition - Stylesheet
   Matches iOS app styling with clean, professional golf aesthetic
   ========================================================================== */

:root {
    /* Colors - iOS Blue primary */
    --color-primary: #007AFF;
    --color-primary-hover: #0056b3;
    --color-primary-light: #D6F0FF;
    --color-primary-dark: #1C3A4A;
    
    /* Golf greens */
    --color-golf-green: #5DAB61;
    --color-golf-dark: #2D5A30;
    --color-fairway: #4A8C51;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F2F2F7;
    --color-gray-200: #E5E5EA;
    --color-gray-300: #D1D1D6;
    --color-gray-400: #C7C7CC;
    --color-gray-500: #98989D;
    --color-gray-600: #636366;
    --color-gray-700: #48484A;
    --color-gray-800: #3A3A3C;
    --color-gray-900: #1C1C1E;
    --color-black: #000000;
    
    /* Semantic */
    --color-success: #34C759;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    
    /* Typography */
    --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1), 0 6px 10px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: #2D5A30; /* Fallback color */
    background-image: url('../images/golf_course_background.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    background-size: cover;
    color: var(--color-gray-900);
    line-height: 1.5;
    min-height: 100vh;
}

/* Dark overlay for better readability */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 0;
}

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

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

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

/* ==========================================================================
   Page Layout
   ========================================================================== */

.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 80px rgba(0, 0, 0, 0.3);
    z-index: 1;
}

@media (min-width: 992px) {
    .page-container {
        margin: var(--spacing-xl) auto;
        border-radius: var(--radius-lg);
        min-height: calc(100vh - var(--spacing-xl) * 2);
    }
}

.background-texture {
    display: none; /* Using full-page background image instead */
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    padding: var(--spacing-md) var(--spacing-lg);
    position: relative;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    position: relative;
    z-index: 10;
}

.hero-content {
    text-align: center;
    max-width: 540px;
}

.edition-badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 100px;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.cta-button:hover {
    background: var(--color-primary-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-arrow {
    transition: transform var(--transition-fast);
}

.cta-button:hover .cta-arrow {
    transform: translateX(4px);
}

/* ==========================================================================
   Features
   ========================================================================== */

.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
    max-width: 720px;
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    min-width: 200px;
}

.feature-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.feature-text {
    display: flex;
    flex-direction: column;
}

.feature-text strong {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-900);
}

.feature-text span {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    position: relative;
    z-index: 10;
}

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

.footer-cta {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

.app-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.app-link img {
    height: 40px;
    transition: opacity var(--transition-fast);
}

.app-link:hover img {
    opacity: 0.8;
}

.copyright {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* ==========================================================================
   Tournaments List Page
   ========================================================================== */

.page-header {
    padding: var(--spacing-lg);
    text-align: center;
}

.page-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.page-subtitle {
    font-size: 1rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

.tournaments-list {
    padding: 0 var(--spacing-lg) var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.tournament-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    cursor: pointer;
    display: block;
}

.tournament-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.tournament-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.tournament-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tournament-info {
    flex: 1;
}

.tournament-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.tournament-details {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.tournament-course {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tournament-date {
    color: var(--color-gray-500);
    margin-top: 2px;
}

.tournament-deadline {
    font-size: 0.8125rem;
    color: var(--color-warning);
    font-weight: 500;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-100);
}

.tournament-closed {
    color: var(--color-gray-400);
}

.tournament-card.closed {
    opacity: 0.6;
    cursor: not-allowed;
}

.tournament-card.closed:hover {
    transform: none;
    border-color: var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.no-tournaments {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: var(--color-gray-500);
}

.no-tournaments-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ==========================================================================
   Registration Form Page
   ========================================================================== */

.form-container {
    padding: var(--spacing-lg);
    max-width: 560px;
    margin: 0 auto;
}

.form-tournament-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.form-tournament-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.form-tournament-details {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

/* Form Sections */
.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-section-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-section-subtitle {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}

/* Form Fields */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray-900);
    background: var(--color-gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    background: var(--color-white);
    border-color: var(--color-primary);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* Unit suffix for inputs */
.form-input-with-unit {
    position: relative;
}

.form-input-with-unit .form-input {
    padding-right: 50px;
}

.form-input-unit {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.875rem;
    color: var(--color-gray-500);
    pointer-events: none;
}

/* Club Distance Grid */
.clubs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.club-input-group {
    background: var(--color-white);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-200);
}

.club-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

.club-distance-input {
    width: 100%;
    padding: var(--spacing-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    text-align: center;
    transition: all var(--transition-fast);
}

.club-distance-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
}

.club-unit {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-align: center;
    margin-top: 2px;
}

/* Submit Button */
.submit-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.submit-button:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-button:disabled {
    background: var(--color-gray-300);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.submit-button.loading {
    position: relative;
    color: transparent;
}

.submit-button.loading::after {
    content: "";
    position: absolute;
    width: 24px;
    height: 24px;
    top: 50%;
    left: 50%;
    margin-left: -12px;
    margin-top: -12px;
    border: 3px solid var(--color-white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==========================================================================
   Confirmation Page
   ========================================================================== */

.confirmation-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
}

.confirmation-icon {
    width: 80px;
    height: 80px;
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.confirmation-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-white);
}

.confirmation-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.confirmation-message {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 400px;
    margin-bottom: var(--spacing-xl);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-primary);
}

.back-link:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Admin Page
   ========================================================================== */

.admin-container {
    padding: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.admin-section {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.admin-section-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-gray-200);
}

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

.registrations-table th,
.registrations-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

.registrations-table th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
}

.registrations-table td {
    font-size: 0.9375rem;
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-primary);
    background: var(--color-primary-light);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-download-all {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-golf-green);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-download-all:hover {
    background: var(--color-golf-dark);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.text-center { text-align: center; }
.text-muted { color: var(--color-gray-500); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 640px) {
    .features {
        flex-direction: column;
        align-items: stretch;
    }
    
    .feature {
        min-width: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .clubs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .app-links {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 400px) {
    .clubs-grid {
        grid-template-columns: 1fr;
    }
}