/* ===================================
   GHOST_TRADES - THEME & CORE UTILITIES
   Variables, Resets, and Global Animations
   =================================== */

/* --- CSS Variables & Theme --- */
:root {
    /* Primary Colors */
    --primary-color: #ff444f;
    --primary-hover: #e53940;
    --primary-light: #ff6b75;
    --primary-glow: rgba(255, 68, 79, 0.4);

    /* Success/Error Colors */
    --success-color: #10b981;
    --success-light: #34d399;
    --success-glow: rgba(16, 185, 129, 0.4);
    --error-color: #ef4444;
    --error-light: #f87171;
    --error-glow: rgba(239, 68, 68, 0.4);

    /* Neutral Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Glass Effect 2.0 */
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    --glass-blur: blur(20px);

    /* Vibrant Gradients */
    --grad-primary: linear-gradient(135deg, #ff444f 0%, #ff6b75 100%);
    --grad-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --grad-ghost: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --grad-aurora: linear-gradient(90deg, #ff444f, #10b981, #3b82f6, #ff444f);
    --grad-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 25px rgba(255, 68, 79, 0.3);
}

/* --- Global Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Mobile Optimization */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
}

/* Background Pattern Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 68, 79, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* --- Core Animations --- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

@keyframes aurora-bg {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes glow-pulse {
    0% {
        box-shadow: 0 0 5px rgba(255, 68, 79, 0.2);
    }

    50% {
        box-shadow: 0 0 20px rgba(255, 68, 79, 0.5);
    }

    100% {
        box-shadow: 0 0 5px rgba(255, 68, 79, 0.2);
    }
}

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.9);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes pulse-dot {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 0 8px rgba(239, 68, 68, 0.6), 0 0 16px rgba(239, 68, 68, 0.4);
    }

    50% {
        transform: scale(1.2);
        box-shadow: 0 0 12px rgba(239, 68, 68, 0.8), 0 0 24px rgba(239, 68, 68, 0.6);
    }
}

/* --- Premium Utility Classes --- */
.glass-premium {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    position: relative;
    overflow: hidden;
}

.glass-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--grad-glass);
    pointer-events: none;
    z-index: 0;
}

.gradient-text {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow-pulse {
    animation: glow-pulse 3s infinite ease-in-out;
}

.hover-glow {
    transition: var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 15px var(--primary-glow);
    transform: translateY(-2px);
}

.shimmer-effect,
.shimmer {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite linear;
}

/* --- Collapsible Sections --- */
.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: var(--transition-base);
    padding: 0.5rem 0;
}

.collapsible-header:hover {
    opacity: 0.8;
}

.collapse-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.collapse-arrow.collapsed {
    transform: rotate(-90deg);
}

.collapsible-content {
    overflow: hidden;
    transition: max-height var(--transition-slow), opacity var(--transition-base);
    max-height: 5000px;
    opacity: 1;
}

.collapsible-content.collapsed {
    max-height: 0;
    opacity: 0;
}

.collapsed-placeholder {
    display: none;
    margin-top: 1rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: opacity var(--transition-base);
}

.collapsed-placeholder.show {
    display: block;
    animation: fadeIn var(--transition-base);
}

.collapsed-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: var(--radius-lg);
    opacity: 0.6;
}

/* Image Scaling */
img {
    max-width: 100%;
    height: auto;
}