/* Vapor Theme - Heali Design System */
:root {
    /* Colors */
    --vapor-primary: #6f42c1;
    --vapor-secondary: #ea39b8;
    --vapor-accent: #32fbe2;
    --vapor-bg: #0a0514;
    
    /* Text Colors */
    --vapor-text-main: #ffffff;
    --vapor-text-muted: rgba(255, 255, 255, 0.7);
    --vapor-text-dim: rgba(255, 255, 255, 0.4);
    
    /* Glow Effects */
    --vapor-glow-cyan: 0 0 30px rgba(50, 251, 226, 0.2);
    --vapor-glow-pink: 0 0 30px rgba(234, 57, 184, 0.2);
    
    /* Fonts */
    --font-body: 'Outfit', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    
    /* Spacing & Layout */
    --vapor-radius-lg: 20px;
    --vapor-radius-md: 12px;
    --vapor-radius-sm: 8px;
}

/* Global Reset & Typography */
body {
    background-color: var(--vapor-bg);
    color: var(--vapor-text-main);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-top: 0;
}

/* Background Mesh Effect */
.vapor-bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    background: 
        radial-gradient(circle at 15% 50%, rgba(111, 66, 193, 0.15), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(234, 57, 184, 0.15), transparent 40%);
    filter: blur(60px);
    animation: bgPulse 10s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes bgPulse {
    0% { opacity: 0.8; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.1); }
}

/* Grid Overlay */
.vapor-grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
    pointer-events: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* Glass Card Styles */
.vapor-glass-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--vapor-radius-lg);
}

/* Utility Classes */
.text-gradient-primary {
    background: linear-gradient(135deg, var(--vapor-primary), var(--vapor-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-accent {
    background: linear-gradient(135deg, var(--vapor-accent), var(--vapor-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ═══════════════════════════════════════════════════════════
   BUTTON SYSTEM — Standardized across all pages
   ═══════════════════════════════════════════════════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--vapor-radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s ease;
    border: 1px solid rgba(139, 92, 246, 0.2);
    background: rgba(139, 92, 246, 0.08);
    color: #c4b5fd;
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
    transition: left 0.4s ease;
    pointer-events: none;
}

.btn:hover {
    border-color: rgba(139, 92, 246, 0.45);
    background: rgba(139, 92, 246, 0.15);
    color: #e2e8f0;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

.btn:hover::before {
    left: 100%;
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn:disabled::before {
    display: none;
}

/* ── Primary: Main CTA ──────────────────────────────────── */

.btn-primary {
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    border: 1px solid rgba(139, 92, 246, 0.5);
    color: #fff;
}

.btn-primary::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    border-color: rgba(139, 92, 246, 0.6);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(139, 92, 246, 0.4), 0 2px 8px rgba(236, 72, 153, 0.2);
    filter: brightness(1.08);
}

/* ── Secondary: Ghost/Glass ─────────────────────────────── */

.btn-secondary {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(148, 163, 184, 0.12);
    color: rgba(148, 163, 184, 0.8);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.25);
    color: #e2e8f0;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.1);
}

/* ── Outline: Purple border ─────────────────────────────── */

.btn-outline {
    background: transparent;
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #c4b5fd;
}

.btn-outline:hover:not(:disabled) {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.5);
    color: #a78bfa;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

/* ── Outline Light: Subtle border ───────────────────────── */

.btn-outline-light {
    background: transparent;
    border: 1px solid rgba(148, 163, 184, 0.15);
    color: rgba(148, 163, 184, 0.7);
}

.btn-outline-light:hover:not(:disabled) {
    background: rgba(139, 92, 246, 0.06);
    border-color: rgba(139, 92, 246, 0.25);
    color: #e2e8f0;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.1);
}

/* ── Danger: Destructive actions ────────────────────────── */

.btn-danger {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #f87171;
}

.btn-danger:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: #f87171;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
}

/* ── Success: Accept/Confirm ────────────────────────────── */

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border: 1px solid rgba(16, 185, 129, 0.5);
    color: #fff;
}

.btn-success::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-color: rgba(16, 185, 129, 0.6);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.35);
    filter: brightness(1.08);
}

/* ── Warning: Caution actions ───────────────────────────── */

.btn-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.btn-warning:hover:not(:disabled) {
    background: rgba(245, 158, 11, 0.25);
    border-color: rgba(245, 158, 11, 0.5);
    color: #fbbf24;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

/* ── Icon Button: Square icon-only ──────────────────────── */

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: var(--vapor-radius-sm);
    color: rgba(148, 163, 184, 0.5);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: rgba(139, 92, 246, 0.12);
    border-color: rgba(139, 92, 246, 0.3);
    color: #a78bfa;
}

.btn-icon.btn-delete:hover,
.btn-icon.btn-dismiss:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.25);
    color: #f87171;
}

/* ── Back Button ────────────────────────────────────────── */

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: none;
    border: none;
    color: rgba(148, 163, 184, 0.7);
    font-size: 0.88rem;
    padding: 0.4rem 0;
    cursor: pointer;
    transition: color 0.2s ease;
}

.btn-back:hover {
    color: #8b5cf6;
}

/* ── Save Button ────────────────────────────────────────── */

.btn-save {
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    border: none;
    color: #fff;
    padding: 0.6rem 1.5rem;
    border-radius: var(--vapor-radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.btn-save::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.4s ease;
    pointer-events: none;
}

.btn-save:hover:not(:disabled) {
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(139, 92, 246, 0.4), 0 2px 8px rgba(236, 72, 153, 0.2);
    filter: brightness(1.08);
}

.btn-save:hover::before {
    left: 100%;
}

.btn-save:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ── Size Variants ──────────────────────────────────────── */

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
    border-radius: var(--vapor-radius-sm);
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    border-radius: 14px;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .vapor-bg-mesh {
        animation: none !important;
    }
    
    .vapor-spotlight,
    .vapor-tilt,
    .vapor-reveal {
        transition: none !important;
        transform: none !important;
        animation: none !important;
    }
}