/**
 * GSDM Golf Round Tracking PWA - Main Stylesheet
 * Modern, funky design with GSDM branding
 */

:root {
    /* GSDM Brand Colors */
    --color-red: #038A30;
    --color-black: #040404;
    --color-white: #ffffff;
    
    /* Extended Palette */
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e0e0e0;
    --color-gray-300: #d0d0d0;
    --color-gray-400: #999999;
    --color-gray-500: #666666;
    --color-gray-600: #4a4a4a;
    
    /* Semantic Colors */
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-info: #17a2b8;
    
    /* Golf-specific Colors */
    --color-birdie: #d4edda;
    --color-par: #fff3cd;
    --color-bogey: #f8d7da;
    --color-double-bogey: #f5c6cb;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    background: var(--color-gray-100);
    color: var(--color-black);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: #FFFFFF;
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    flex: 1;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

.container-fluid {
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-lg);
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Header */
.header {
    background: var(--color-gray-50);
    color: var(--color-black);
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border-bottom: 3px solid var(--color-red);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    box-sizing: border-box;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo {
    height: 45px;
    width: auto;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-info {
    text-align: right;
}

.username {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-black);
}

.session-info {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

/* Navigation */
.nav {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 0 var(--spacing-xl);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: var(--spacing-xs);
}

.nav-link {
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-gray-500);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 0.875rem;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--color-red);
    background: var(--color-gray-50);
}

.nav-link.active {
    color: var(--color-red);
    border-bottom-color: var(--color-red);
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    transition: box-shadow var(--transition-base);
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

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

.card-header {
    border-bottom: 2px solid var(--color-gray-200);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    margin: 0;
}

.card-body {
    padding: var(--spacing-md) 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-base);
    font-size: 0.875rem;
    line-height: 1.5;
    user-select: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: #038A30;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-gray-500);
    color: var(--color-white);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-600);
}

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

.btn-success:hover:not(:disabled) {
    background: #218838;
}

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

.btn-danger:hover:not(:disabled) {
    background: #c82333;
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--color-red);
    color: var(--color-white);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

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

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
    font-weight: 600;
    font-size: 0.875rem;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
input[type="date"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: border-color var(--transition-fast);
    font-family: inherit;
    background: var(--color-white);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(242, 19, 29, 0.1);
}

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

.form-error {
    color: var(--color-danger);
    font-size: 0.8125rem;
    margin-top: var(--spacing-xs);
}

.form-help {
    color: var(--color-gray-500);
    font-size: 0.8125rem;
    margin-top: var(--spacing-xs);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    box-sizing: border-box;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    box-sizing: border-box;
}

th {
    background: var(--color-gray-50);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--color-black);
    border-bottom: 2px solid var(--color-gray-200);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--color-gray-200);
    font-size: 0.875rem;
}

tr:hover {
    background: var(--color-gray-50);
}

tr:last-child td {
    border-bottom: none;
}

/* Alerts */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-color: #28a745;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border-color: #dc3545;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-color: #17a2b8;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-color: #ffc107;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

.badge-success {
    background: var(--color-success);
    color: var(--color-white);
}

.badge-danger {
    background: var(--color-danger);
    color: var(--color-white);
}

.badge-warning {
    background: var(--color-warning);
    color: var(--color-black);
}

.badge-info {
    background: var(--color-info);
    color: var(--color-white);
}

/* Footer */
.footer {
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--color-gray-500);
    font-size: 0.8125rem;
    margin-top: auto;
}

.footer a {
    color: var(--color-red);
    font-weight: 600;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--color-gray-400);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-500);
}

.empty-state-text {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }