/* ==========================================================================
   RaceEngineer Base Styles
   Shared styles for all pages
   ========================================================================== */

/* CSS Variables */
:root {
    --bg-body: #f7f8fa;
    --surface: #ffffff;
    --surface-muted: #f3f4f6;
    --surface-elevated: #ffffff;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --accent: #0ea5e9;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 12px 28px rgba(15, 23, 42, 0.08);
    --ring: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Base Body Styles */
body {
    background: var(--bg-body);
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease;
}

/* Page Layout */
.page-shell {
    min-height: calc(100vh - 140px);
    padding: 32px 0 56px;
}

/* Card Components */
.app-card {
    background: var(--surface-elevated);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: 24px;
    margin-bottom: 24px;
}

.soft-panel {
    background: var(--surface-muted);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
}

.auth-card {
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(37, 99, 235, 0.15);
}

/* Page Header */
.page-header {
    padding-bottom: 16px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.page-title { font-size: 2rem; font-weight: 800; }
.page-subtitle { color: var(--text-muted); font-size: 0.95rem; }

/* Navigation */
.glass-nav {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

/* Utility Classes */
.fw-bold { font-weight: 700 !important; }
.text-primary { color: var(--primary) !important; }
.text-dark { color: var(--text-dark) !important; }
.text-muted { color: var(--text-muted) !important; }
.hover-underline:hover { text-decoration: underline !important; }

/* Button Styles */
.btn-primary { background-color: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background-color: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline-secondary { color: var(--text-dark); border-color: var(--border-color); }
.btn-outline-secondary:hover { background: rgba(37, 99, 235, 0.08); border-color: var(--primary); color: var(--text-dark); }
.btn-outline-dark { color: var(--text-dark); border-color: var(--border-color); }
.btn-outline-dark:hover { background: rgba(37, 99, 235, 0.08); border-color: var(--primary); color: var(--text-dark); }

/* Background Utilities */
.bg-light { background-color: var(--surface-muted) !important; }
.bg-white { background-color: var(--surface) !important; }
.table-light { background: #f9fafb !important; color: var(--text-muted); }

/* List Group */
.list-group-item {
    background-color: var(--surface);
    border-color: var(--border-color);
    color: var(--text-dark);
}

/* Form Controls */
.form-control,
.form-select,
.input-group-text {
    background-color: var(--surface);
    border-color: var(--border-color);
    color: var(--text-dark);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: var(--ring);
}

/* Loading States */
.spinner-border-sm { width: 1rem; height: 1rem; border-width: 0.2em; }
.btn.loading { pointer-events: none; opacity: 0.7; }

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Toast Notifications */
.toast-container { z-index: 9999; }
.toast-top-right { top: 20px; right: 20px; }

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 24px 0 90px;
    color: var(--text-muted);
    font-size: 0.85rem;
    position: relative;
    z-index: 1;
    background: var(--bg-body);
}

/* Table Styles */
.table {
    color: var(--text-dark);
}

.table thead th {
    background: #f9fafb;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.7rem;
}

.table tbody tr {
    border-color: var(--border-color);
}

.table tbody tr:nth-child(even) {
    background: #fafafa;
}

.table-history td {
    font-size: 0.9rem;
    vertical-align: middle;
}

/* Ko-fi Widget Positioning */
#kofi-widget-overlay,
.floatingchat-container {
    bottom: 24px !important;
    z-index: 9990 !important;
}