/* ── Variables ─────────────────────────────────────────────── */
:root {
    --color-bg: #0a0e27;
    --color-surface: rgba(255, 255, 255, 0.06);
    --color-surface-border: rgba(255, 255, 255, 0.12);
    --color-text: #f0f4ff;
    --color-text-muted: rgba(240, 244, 255, 0.55);
    --color-accent: #6366f1;
    --color-accent-light: #818cf8;
    --color-accent-glow: rgba(99, 102, 241, 0.45);
    --color-cyan: #22d3ee;
    --color-success: #34d399;
    --color-warning: #fbbf24;
    --color-error: #f87171;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ── Reset ─────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    display: block;
    max-width: 100%;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ── Animated background orbs ──────────────────────────────── */
.bg-orbs {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    animation: float 12s ease-in-out infinite;
}

.orb--1 {
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, #6366f1 0%, transparent 70%);
    top: -80px;
    left: -60px;
    animation-delay: 0s;
}

.orb--2 {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, #22d3ee 0%, transparent 70%);
    bottom: 10%;
    right: -40px;
    animation-delay: -4s;
}

.orb--3 {
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, #a78bfa 0%, transparent 70%);
    top: 45%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: -8s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(20px, -30px) scale(1.05); }
    66%       { transform: translate(-15px, 20px) scale(0.95); }
}

/* ── Layout ────────────────────────────────────────────────── */
.app {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    padding: calc(24px + var(--safe-top)) 20px calc(24px + var(--safe-bottom));
    gap: 28px;
    max-width: 440px;
    margin: 0 auto;
    animation: fadeInUp 0.7s ease both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ────────────────────────────────────────────────── */
.header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.header__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-cyan));
    border-radius: 50%;
    color: white;
    box-shadow: 0 0 24px var(--color-accent-glow);
    animation: pulse-icon 2.5s ease-in-out infinite;
}

.header__icon svg {
    width: 26px;
    height: 26px;
}

@keyframes pulse-icon {
    0%, 100% { box-shadow: 0 0 24px var(--color-accent-glow); transform: scale(1); }
    50%       { box-shadow: 0 0 40px var(--color-accent-glow); transform: scale(1.06); }
}

.header__title {
    font-size: clamp(1.3rem, 5vw, 1.75rem);
    font-weight: 800;
    letter-spacing: 0.06em;
    background: linear-gradient(135deg, #fff 30%, var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.header__subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

/* ── Ticket card ───────────────────────────────────────────── */
.ticket-card {
    position: relative;
    width: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-surface-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.ticket-card__glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 65%);
    pointer-events: none;
}

.ticket-card--active {
    animation: cardPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.ticket-card--active .field__value {
    animation: valueReveal 0.4s ease both;
}

.ticket-card--active .field:nth-child(1) .field__value { animation-delay: 0.05s; }
.ticket-card--active .field:nth-child(3) .field__value { animation-delay: 0.12s; }
.ticket-card--active .field:nth-child(5) .field__value { animation-delay: 0.19s; }

@keyframes cardPop {
    0%   { transform: scale(0.97); box-shadow: var(--shadow-card); }
    50%  { transform: scale(1.02); box-shadow: 0 12px 48px rgba(99, 102, 241, 0.25); }
    100% { transform: scale(1);   box-shadow: var(--shadow-card); }
}

@keyframes valueReveal {
    from { opacity: 0; transform: translateY(6px); color: var(--color-cyan); }
    to   { opacity: 1; transform: translateY(0);   color: var(--color-text); }
}

/* ── QR frame ──────────────────────────────────────────────── */
.ticket-card__qr {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.qr-frame {
    position: relative;
    display: inline-flex;
}

.qr-frame__img {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-md);
    border: 3px solid rgba(255, 255, 255, 0.15);
    object-fit: cover;
    position: relative;
    z-index: 1;
    transition: transform var(--transition);
}

.ticket-card--active .qr-frame__img {
    transform: scale(1.04);
}

.qr-frame__pulse {
    position: absolute;
    inset: -8px;
    border-radius: calc(var(--radius-md) + 8px);
    border: 2px solid var(--color-accent-light);
    opacity: 0;
    animation: qrPulse 2.5s ease-out infinite;
}

@keyframes qrPulse {
    0%   { opacity: 0.7; transform: scale(1); }
    100% { opacity: 0;   transform: scale(1.18); }
}

/* ── Fields ────────────────────────────────────────────────── */
.ticket-card__fields {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 4px;
    gap: 12px;
}

.field__label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    flex-shrink: 0;
}

.field__value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
    text-align: right;
    word-break: break-all;
    font-variant-numeric: tabular-nums;
}

.field__divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-surface-border), transparent);
}

/* ── Buttons ───────────────────────────────────────────────── */
.actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow var(--transition), opacity var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.btn:active:not(:disabled) {
    transform: scale(0.97);
}

.btn__icon svg {
    width: 18px;
    height: 18px;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, #4f46e5 100%);
    color: white;
    box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn--primary:hover:not(:disabled) {
    box-shadow: 0 6px 28px var(--color-accent-glow);
    transform: translateY(-1px);
}

.btn--secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-surface-border);
    backdrop-filter: blur(10px);
}

.btn--secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn--loading {
    pointer-events: none;
    opacity: 0.85;
}

.btn--loading .btn__text,
.btn--loading .btn__icon {
    opacity: 0;
}

.btn__loader {
    display: none;
    position: absolute;
    width: 22px;
    height: 22px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.btn--loading .btn__loader {
    display: block;
}

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

/* ── Footer note ───────────────────────────────────────────── */
.footer-note {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-align: center;
    opacity: 0.7;
}

/* ── Toast notifications ───────────────────────────────────── */
.toast-container {
    position: fixed;
    bottom: calc(20px + var(--safe-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: min(90vw, 360px);
    pointer-events: none;
}

.toast {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
    pointer-events: auto;
}

.toast--visible {
    opacity: 1;
    transform: translateY(0);
}

.toast--success { background: rgba(52, 211, 153, 0.18); color: #6ee7b7; }
.toast--warning { background: rgba(251, 191, 36, 0.18); color: #fcd34d; }
.toast--error   { background: rgba(248, 113, 113, 0.18); color: #fca5a5; }
.toast--info    { background: rgba(99, 102, 241, 0.18); color: #a5b4fc; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (min-width: 480px) {
    .actions {
        flex-direction: row;
    }

    .btn {
        flex: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}