/* Modern Youthful Design System */
:root {
    --primary-color: #4F46E5;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
}

/* Dark Mode Overrides */
[data-bs-theme="dark"] {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-main: #e5e7eb;
    --text-muted: #9ca3af;
    --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

[data-bs-theme="dark"] .bg-white {
    background-color: var(--card-bg) !important;
}
[data-bs-theme="dark"] .bg-light {
    background-color: #2a2a2a !important;
    color: var(--text-main) !important;
}
[data-bs-theme="dark"] .text-dark:not(.bg-warning):not(.btn-warning):not(.bg-gradient-gold) {
    color: var(--text-main) !important;
}
[data-bs-theme="dark"] .train-progress::before,
[data-bs-theme="dark"] .train-stop {
    background: #374151;
    border-color: #1e1e1e;
}
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--card-bg) !important;
    border-color: var(--bs-border-color) !important;
    color: var(--text-main) !important;
}
[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: #2a2a2a !important;
    color: var(--text-main) !important;
    border-color: var(--primary-color) !important;
}
/* Navbar Enhancements */
.navbar {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}
.navbar-brand {
    font-weight: 800;
    letter-spacing: 0.5px;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    transition: box-shadow 0.3s ease, background-color 0.3s ease;
    border: none;
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--shadow-hover);
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
}
.btn-primary:hover {
    background: #4338ca;
}

/* Forms */
.form-control {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 1px solid #e5e7eb;
    background-color: #f9fafb;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    background-color: #fff;
}

/* Gradients */
.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}
.bg-gradient-success {
    background: linear-gradient(135deg, #10b981 0%, #047857 100%) !important;
}
.bg-gradient-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}
.bg-gradient-info {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%) !important;
}

/* Utilities */
.text-gradient {
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-image: linear-gradient(135deg, var(--primary-color) 0%, #7c3aed 100%);
}

/* Gamification Animations */
@keyframes pulse-flame {
    0% { transform: scale(1); filter: drop-shadow(0 0 5px currentColor); }
    50% { transform: scale(1.15); filter: drop-shadow(0 0 25px currentColor); }
    100% { transform: scale(1); filter: drop-shadow(0 0 5px currentColor); }
}
.animate-pulse {
    animation: pulse-flame 1.5s ease-in-out infinite;
    display: inline-block;
}

@keyframes glow-border {
    0% { box-shadow: 0 0 5px rgba(255, 215, 0, 0.5); }
    50% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.8), inset 0 0 10px rgba(255, 215, 0, 0.2); border-color: #ffd700; }
    100% { box-shadow: 0 0 5px rgba(255, 215, 0, 0.5); }
}
.glow-active {
    animation: glow-border 2s infinite;
    border: 2px solid #ffd700 !important;
    background-color: rgba(255, 215, 0, 0.05) !important;
    z-index: 10;
    position: relative;
}

/* RPG Tier Gradients */
.bg-gradient-secondary {
    background: linear-gradient(135deg, #6b7280 0%, #374151 100%) !important;
}
.bg-gradient-purple {
    background: linear-gradient(135deg, #6f42c1 0%, #4a2b82 100%) !important;
}
.bg-gradient-gold {
    background: linear-gradient(135deg, #ffd700 0%, #ffae42 100%) !important;
}
.text-orange {
    color: #fd7e14 !important;
}
.bg-orange {
    background-color: #fd7e14 !important;
    color: white;
}
.text-purple {
    color: #6f42c1 !important;
}
.bg-purple {
    background-color: #6f42c1 !important;
    color: white;
}

/* Streak Fire Glow Effects */
.text-glow-blue {
    text-shadow: 0 0 10px rgba(23, 162, 184, 0.8), 0 0 20px rgba(23, 162, 184, 0.6);
}
.text-glow-purple {
    text-shadow: 0 0 10px rgba(111, 66, 193, 0.8), 0 0 20px rgba(111, 66, 193, 0.6), 0 0 30px rgba(111, 66, 193, 0.4);
}
/* Train Station Progress Bar */
.train-progress {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 10px 0;
}
.train-progress::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 6px;
    background: #e9ecef;
    transform: translateY(-50%);
    z-index: 1;
    border-radius: 3px;
}
.train-progress-fill {
    position: absolute;
    top: 50%;
    right: 0; /* RTL alignment */
    height: 6px;
    background: currentColor;
    transform: translateY(-50%);
    z-index: 2;
    transition: width 1s ease;
    border-radius: 3px;
}
.train-stop {
    width: 14px;
    height: 14px;
    background: #e9ecef;
    border: 2px solid #fff;
    border-radius: 50%;
    z-index: 3;
    transition: background 0.5s ease;
}
.train-stop.active {
    background: currentColor;
    box-shadow: 0 0 8px currentColor;
}

/* Custom Scrollbar for activity log */
.activity-log-scroll {
    max-height: 380px;
    overflow-y: auto;
    padding-left: 10px;
    padding-right: 10px;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

.activity-log-scroll::-webkit-scrollbar {
    width: 6px;
}

.activity-log-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.activity-log-scroll::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 10px;
}

.activity-log-scroll::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .activity-log-scroll {
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

[data-bs-theme="dark"] .activity-log-scroll::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
}

[data-bs-theme="dark"] .activity-log-scroll::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.4);
}