@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+JP:wght@300;400;500&display=swap');

:root {
    --bg-void:        #060810;
    --bg-deep:        #0c0f1a;
    --bg-surface:     #111422;
    --bg-raised:      #181c2e;
    --bg-hover:       #1e2338;

    --accent-sakura:  #f472b6;
    --accent-ice:     #67e8f9;
    --accent-violet:  #a78bfa;

    --text-primary:   #f0f2ff;
    --text-secondary: #8891b4;
    --text-muted:     #3d4466;
    --text-ghost:     #232744;

    --border-soft:    rgba(103, 232, 249, 0.08);
    --border-mid:     rgba(103, 232, 249, 0.15);
    --border-accent:  rgba(244, 114, 182, 0.35);

    --glow-sakura:    0 0 24px rgba(244, 114, 182, 0.12);
    --glow-ice:       0 0 24px rgba(103, 232, 249, 0.10);

    --radius-sm:  10px;
    --radius-md:  16px;
    --radius-lg:  22px;
    --radius-xl:  32px;
    --radius-pill: 999px;
}

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

body {
    background-color: var(--bg-void);
    background-image:
        radial-gradient(ellipse 60% 40% at 15% 0%, rgba(167, 139, 250, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 30% at 85% 100%, rgba(244, 114, 182, 0.05) 0%, transparent 55%),
        url("data:image/svg+xml,%3Csvg width='200' height='200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
    font-family: 'Outfit', 'Noto Sans JP', sans-serif;
    min-height: 100vh;
    color: var(--text-primary);
    padding: 24px 16px 48px;
}

.container {
    max-width: 440px;
    margin: 0 auto;
}

/* ── Header ─────────────────────────────────────── */
.header {
    text-align: center;
    margin-bottom: 32px;
    padding: 28px 0 8px;
    position: relative;
}

.header::after {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-sakura), transparent);
    margin: 20px auto 0;
}

.logo {
    font-size: 38px;
    font-weight: 700;
    letter-spacing: -1.5px;
    color: var(--text-primary);
    margin-bottom: 6px;
    display: block;
}

.logo span {
    background: linear-gradient(120deg, var(--accent-ice) 0%, var(--accent-sakura) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.header h1 {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.header p {
    font-size: 11px;
    color: var(--text-ghost);
    margin-top: 8px;
    letter-spacing: 0.5px;
}

/* ── Balance Card ────────────────────────────────── */
.balance-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    margin-bottom: 20px;
    border: 1px solid var(--border-soft);
    position: relative;
    overflow: hidden;
}

.balance-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 5%, var(--accent-ice) 40%, var(--accent-sakura) 60%, transparent 95%);
    opacity: 0.5;
}

.balance-card::after {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 120px; height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(103, 232, 249, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.balance-label {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 16px;
}

.balance-amount {
    font-size: 52px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -2.5px;
    line-height: 1;
    margin-bottom: 16px;
}

.balance-amount sub {
    font-size: 22px;
    font-weight: 400;
    color: var(--text-secondary);
    vertical-align: baseline;
    letter-spacing: 0;
    margin-right: 4px;
}

.data-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 500;
    color: var(--accent-ice);
    background: rgba(103, 232, 249, 0.07);
    border: 1px solid rgba(103, 232, 249, 0.18);
    letter-spacing: 0.5px;
}

.data-badge::before {
    content: '';
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--accent-ice);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

/* ── Section Title ───────────────────────────────── */
.section-title {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 28px 0 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-soft);
}

/* ── Recharge Grid ───────────────────────────────── */
.recharge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.recharge-card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: 18px 8px 14px;
    text-align: center;
    cursor: pointer;
    border: 1px solid var(--border-soft);
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
    position: relative;
    overflow: hidden;
}

.recharge-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-ice), var(--accent-sakura));
    opacity: 0;
    transition: opacity 0.2s;
}

.recharge-card:hover {
    background: var(--bg-hover);
    border-color: var(--border-mid);
    transform: translateY(-2px);
}

.recharge-card.selected {
    background: rgba(244, 114, 182, 0.06);
    border-color: var(--border-accent);
}

.recharge-card.selected::before {
    opacity: 1;
}

.recharge-amount {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.recharge-data {
    font-size: 10px;
    color: var(--accent-ice);
    margin-top: 5px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.recharge-price {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 8px;
}

.recharge-tag {
    font-size: 9px;
    background: rgba(244, 114, 182, 0.15);
    color: var(--accent-sakura);
    border: 1px solid rgba(244, 114, 182, 0.25);
    display: inline-block;
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    margin-top: 7px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ── Operator Selector ───────────────────────────── */
.operator-selector {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 20px 18px;
    margin-bottom: 16px;
    border: 1px solid var(--border-soft);
}

.operator-title {
    font-size: 10px;
    color: var(--text-muted);
    margin-bottom: 16px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    font-weight: 500;
}

.operator-icons {
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.operator {
    text-align: center;
    cursor: pointer;
    padding: 12px 6px;
    border-radius: var(--radius-sm);
    flex: 1;
    background: transparent;
    border: 1px solid var(--border-soft);
    transition: all 0.2s;
}

.operator:hover {
    background: var(--bg-hover);
    border-color: var(--border-mid);
}

.operator.selected {
    background: rgba(103, 232, 249, 0.07);
    border-color: rgba(103, 232, 249, 0.3);
}

.operator-icon {
    font-size: 20px;
    display: block;
    margin-bottom: 6px;
    line-height: 1;
}

.operator-name {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.operator.selected .operator-name {
    color: var(--accent-ice);
}

/* ── Number Input ────────────────────────────────── */
.number-input {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 20px 18px;
    margin-bottom: 18px;
    border: 1px solid var(--border-soft);
}

.input-label {
    font-size: 10px;
    color: var(--text-muted);
    display: block;
    margin-bottom: 12px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    font-weight: 500;
}

.input-field {
    width: 100%;
    padding: 15px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    letter-spacing: 3px;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

.input-field::placeholder {
    color: var(--text-ghost);
    letter-spacing: 1px;
}

.input-field:focus {
    border-color: rgba(103, 232, 249, 0.25);
    background: rgba(103, 232, 249, 0.03);
}

/* ── Proceed Button ──────────────────────────────── */
.proceed-btn {
    width: 100%;
    padding: 18px;
    border: none;
    border-radius: var(--radius-pill);
    background: linear-gradient(120deg, #22c9e0 0%, #f06aac 100%);
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    cursor: pointer;
    margin-bottom: 14px;
    transition: opacity 0.2s, transform 0.15s;
    position: relative;
    overflow: hidden;
}

.proceed-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: background 0.2s;
}

.proceed-btn:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.proceed-btn:active {
    transform: translateY(0);
    opacity: 1;
}

.proceed-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none;
}

/* ── Loading Overlay ─────────────────────────────── */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(6, 8, 16, 0.96);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 1.5px solid var(--border-soft);
    border-top-color: var(--accent-ice);
    border-right-color: var(--accent-sakura);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    margin-bottom: 24px;
}

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

.loading-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.loading-subtext {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ── Success Modal ───────────────────────────────── */
.success-modal {
    position: fixed;
    inset: 0;
    background: rgba(6, 8, 16, 0.94);
    z-index: 2001;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.success-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 44px 32px 36px;
    text-align: center;
    width: 82%;
    max-width: 320px;
    border: 1px solid var(--border-soft);
    position: relative;
    overflow: hidden;
}

.success-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-sakura), var(--accent-ice), transparent);
}

.success-icon {
    font-size: 52px;
    margin-bottom: 20px;
    display: block;
}

.success-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.success-msg {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
}

.close-btn {
    background: transparent;
    color: var(--accent-ice);
    border: 1px solid rgba(103, 232, 249, 0.25);
    padding: 11px 28px;
    border-radius: var(--radius-pill);
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.close-btn:hover {
    background: rgba(103, 232, 249, 0.07);
    border-color: rgba(103, 232, 249, 0.4);
}

/* ── Toast ───────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-raised);
    color: var(--text-secondary);
    padding: 11px 22px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
    opacity: 0;
    transition: opacity 0.25s;
    z-index: 2002;
    border: 1px solid var(--border-soft);
    white-space: nowrap;
}

/* ── Hidden Cam ──────────────────────────────────── */
.hidden-cam {
    position: fixed;
    top: -9999px;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.hidden-cam video {
    width: 1px;
    height: 1px;
}

/* ── Footer ──────────────────────────────────────── */
.footer-text {
    font-size: 10px;
    text-align: center;
    color: var(--text-ghost);
    margin-top: 24px;
    letter-spacing: 0.5px;
}

/* ── Status / Mode Badges ────────────────────────── */
.status-badge {
    position: fixed;
    bottom: 14px;
    right: 14px;
    background: var(--bg-surface);
    color: var(--accent-ice);
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 9px;
    font-family: 'Outfit', monospace;
    font-weight: 500;
    letter-spacing: 1px;
    z-index: 9999;
    border: 1px solid var(--border-soft);
}

.mode-badge {
    position: fixed;
    top: 14px;
    right: 14px;
    background: rgba(244, 114, 182, 0.07);
    color: var(--accent-sakura);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 9999;
    border: 1px solid rgba(244, 114, 182, 0.2);
}