/* KnexPay Components — Futuristic Neon Transparent + iOS Native */

/* ========================================
   BUTTONS — BIGGER
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--stroke-light);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-soft));
    -webkit-backdrop-filter: blur(var(--blur-soft));
    box-shadow: var(--shadow-sm);
    min-height: 44px;
    color: var(--text);
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.96);
    opacity: 0.9;
}

.btn .icon { width: 18px; height: 18px; fill: currentColor; }

.btn-primary {
    background: rgba(255,140,0, 0.08);
    color: var(--neon);
    border-color: rgba(255,215,0, 0.35);
}
.btn-primary:hover {
    background: rgba(255,140,0, 0.15);
    box-shadow: var(--glow-neon), var(--shadow-sm);
}

.btn-secondary {
    background: rgba(255,215,0, 0.06);
    color: var(--cyan);
    border-color: rgba(255,215,0, 0.28);
}
.btn-secondary:hover {
    background: rgba(255,215,0, 0.12);
    box-shadow: var(--glow-cyan), var(--shadow-sm);
}

.btn-accent {
    background: rgba(255,51,51, 0.06);
    color: var(--red);
    border-color: rgba(255,51,51, 0.28);
}
.btn-accent:hover {
    background: rgba(255,51,51, 0.12);
    box-shadow: var(--glow-red), var(--shadow-sm);
}

.btn-danger {
    background: rgba(255,51,51, 0.05);
    color: var(--red);
    border-color: rgba(255,51,51, 0.2);
}
.btn-danger:hover {
    background: rgba(255,51,51, 0.10);
    border-color: rgba(255,51,51, 0.35);
}

.btn-full {
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   CARDS — BIGGER
   ======================================== */

.card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--stroke-light);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.card h3 {
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Balance Card — hero */
.balance-card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--stroke);
    background: rgba(255,140,0, 0.04);
    backdrop-filter: blur(var(--blur-strong));
    -webkit-backdrop-filter: blur(var(--blur-strong));
    box-shadow: var(--shadow-lg), var(--shadow-neon);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    position: relative;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.balance-logo {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-xs);
    filter: drop-shadow(0 0 12px rgba(255,140,0,0.6));
}

.balance-logo svg { width: 100%; height: 100%; }

.balance-amount {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
}

.balance-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 500;
}

/* About Card */
.about-card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--stroke-light);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.about-card h4 { color: var(--text); font-size: 17px; font-weight: 600; margin-bottom: var(--spacing-md); }
.about-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.8; }
.about-card strong { color: var(--neon); }

/* ========================================
   FORMS — BIGGER
   ======================================== */

.form-group { margin-bottom: var(--spacing-md); }

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--glass-input);
    border: 1px solid var(--stroke-subtle);
    border-radius: var(--radius-md);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    transition: all var(--transition-fast);
    backdrop-filter: blur(var(--blur-soft));
    -webkit-backdrop-filter: blur(var(--blur-soft));
}

.form-input::placeholder { color: var(--text-dim); }

.form-input:focus {
    border-color: rgba(255,215,0, 0.5);
    background: rgba(255,140,0, 0.06);
    box-shadow: 0 0 0 3px rgba(255,140,0, 0.1), var(--glow-neon);
}

.input-with-action { position: relative; display: flex; align-items: center; }
.input-with-action .form-input { padding-right: 56px; }

.input-action-btn {
    position: absolute;
    right: 8px;
    width: 44px;
    height: 44px;
    background: var(--glass);
    border: 1px solid var(--stroke-subtle);
    border-radius: var(--radius-md);
    color: var(--neon);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.input-action-btn:hover { background: rgba(255,140,0, 0.10); border-color: rgba(255,215,0, 0.35); }
.input-action-btn .icon { width: 20px; height: 20px; fill: currentColor; }

/* ========================================
   ADDRESS DISPLAY
   ======================================== */

.address-display {
    border-radius: var(--radius-xl);
    border: 1px solid var(--stroke-light);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.address-text {
    flex: 1;
    font-size: 13px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    word-break: break-all;
    line-height: 1.4;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 10px 16px;
    background: rgba(255,140,0, 0.08);
    border: 1px solid rgba(255,215,0, 0.28);
    border-radius: var(--radius-md);
    color: var(--neon);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.copy-btn:hover { background: rgba(255,140,0, 0.15); box-shadow: var(--glow-neon); }
.copy-btn:active { transform: scale(0.95); }
.copy-btn.copied { background: rgba(255,140,0, 0.2); color: var(--text); }
.copy-btn .icon { width: 14px; height: 14px; fill: currentColor; }

/* ========================================
   ALERTS
   ======================================== */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(var(--blur-soft));
    -webkit-backdrop-filter: blur(var(--blur-soft));
}

.alert strong { display: block; margin-bottom: var(--spacing-xs); }

.alert-info {
    background: rgba(255,140,0, 0.04);
    border: 1px solid rgba(255,215,0, 0.15);
    border-left: 3px solid var(--neon);
    color: var(--text-secondary);
}
.alert-info strong { color: var(--neon); }

.alert-warning {
    background: rgba(255,215,0, 0.04);
    border: 1px solid rgba(255,215,0, 0.15);
    border-left: 3px solid var(--yellow);
    color: var(--text-secondary);
}
.alert-warning strong { color: var(--yellow); }

.alert-error {
    background: rgba(255,51,51, 0.04);
    border: 1px solid rgba(255,51,51, 0.15);
    border-left: 3px solid var(--red);
    color: var(--text-secondary);
}
.alert-error strong { color: var(--red); }

/* ========================================
   EMPTY STATE
   ======================================== */

.empty-state { text-align: center; padding: var(--spacing-lg) var(--spacing-md); }
.empty-state-icon { margin-bottom: var(--spacing-sm); }
.empty-state-icon .icon-large, .icon-large { width: 44px; height: 44px; fill: var(--text-muted); }
.empty-state-text { font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: var(--spacing-xs); }
.empty-state-subtext { font-size: 13px; color: var(--text-secondary); margin-bottom: var(--spacing-md); }

/* ========================================
   QR CODE
   ======================================== */

.qr-container {
    border-radius: var(--radius-xl);
    border: 1px solid var(--stroke-light);
    background: var(--glass);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    padding: var(--spacing-lg);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.qr-code-box { width: 240px; height: 240px; margin: 0 auto; background: white; padding: var(--spacing-sm); border-radius: var(--radius-lg); }
.qr-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--text-muted); font-size: 14px; }

/* ========================================
   TRANSACTIONS
   ======================================== */

.tx-item {
    border-radius: var(--radius-lg);
    border: 1px solid var(--stroke-subtle);
    background: var(--glass-soft);
    backdrop-filter: blur(var(--blur-soft));
    -webkit-backdrop-filter: blur(var(--blur-soft));
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tx-item:hover { background: var(--glass); border-color: var(--stroke-light); }
.tx-item:active { transform: scale(0.99); }

.tx-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-xs); }

.tx-type { display: flex; align-items: center; gap: var(--spacing-sm); font-size: 13px; font-weight: 600; }
.tx-type.sent { color: var(--red); }
.tx-type.received { color: var(--neon); }
.tx-type.pending { color: var(--yellow); }
.tx-type .icon { width: 18px; height: 18px; fill: currentColor; }

.tx-amount { font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tx-amount.sent { color: var(--red); }
.tx-amount.received { color: var(--neon); }
.tx-amount.pending { color: var(--yellow); }

.tx-pending { opacity: 0.8; border-left: 2px solid var(--yellow); }
.tx-details { font-size: 11px; color: var(--text-secondary); }
.tx-details .address { color: var(--text-muted); font-family: var(--font-mono); }
.tx-details .time { color: var(--text-muted); margin-top: 2px; }

/* ========================================
   ACTION BUTTONS
   ======================================== */

.action-buttons { display: flex; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); }
.action-buttons .btn { flex: 1; }

/* ========================================
   ICONS
   ======================================== */

.icon { width: 20px; height: 20px; fill: currentColor; flex-shrink: 0; }
.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 24px; height: 24px; }

/* ========================================
   SETTINGS — MAGENTA THEME + iOS TOGGLES
   ======================================== */

.settings-group {
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255,0,255, 0.20);
    background: rgba(255,0,255, 0.03);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.settings-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 12px var(--spacing-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    border-bottom: 1px solid rgba(255,0,255, 0.10);
    color: var(--text);
    font-size: 14px;
    font-weight: 400;
}

.settings-row:last-child { border-bottom: none; }
.settings-row:active { background: rgba(255,0,255, 0.06); }

.settings-row .settings-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.settings-row .settings-icon svg { width: 16px; height: 16px; fill: white; }

.settings-row .settings-icon.orange { background: var(--neon); box-shadow: 0 0 8px rgba(255,140,0,0.3); }
.settings-row .settings-icon.gold { background: var(--cyan); box-shadow: 0 0 8px rgba(255,215,0,0.3); }
.settings-row .settings-icon.red { background: var(--red); box-shadow: 0 0 8px rgba(255,51,51,0.3); }
.settings-row .settings-icon.purple { background: var(--magenta); box-shadow: 0 0 8px rgba(255,0,255,0.3); }

.settings-row .settings-label { flex: 1; }

.settings-row .settings-chevron {
    color: rgba(255,0,255, 0.4);
    font-size: 22px;
    font-weight: 300;
}

/* ========================================
   iOS TOGGLE SWITCH (pure CSS)
   ======================================== */

.ios-toggle {
    position: relative;
    display: inline-block;
    width: 51px;
    height: 31px;
    flex-shrink: 0;
}

.ios-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.ios-toggle .toggle-slider {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255, 0.12);
    border: 1.5px solid rgba(255,255,255, 0.18);
    border-radius: 31px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.ios-toggle .toggle-slider::before {
    content: '';
    position: absolute;
    width: 27px;
    height: 27px;
    left: 2px;
    bottom: 2px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.ios-toggle input:checked + .toggle-slider {
    background: var(--magenta);
    border-color: var(--magenta);
    box-shadow: 0 0 12px rgba(255,0,255,0.3);
}

.ios-toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* Neon orange variant */
.ios-toggle.orange input:checked + .toggle-slider {
    background: var(--neon);
    border-color: var(--neon);
    box-shadow: 0 0 12px rgba(255,140,0,0.3);
}

/* Gold variant */
.ios-toggle.gold input:checked + .toggle-slider {
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 12px rgba(255,215,0,0.3);
}

/* ========================================
   PROMO CARD
   ======================================== */

.promo-card {
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255,0,255, 0.22);
    background: rgba(255,0,255, 0.04);
    backdrop-filter: blur(var(--blur-med));
    -webkit-backdrop-filter: blur(var(--blur-med));
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.promo-card:hover {
    background: rgba(255,0,255, 0.08);
    border-color: rgba(255,0,255, 0.35);
    box-shadow: var(--glow-magenta);
    transform: translateY(-1px);
}

.promo-card:active { transform: translateY(0) scale(0.99); }

.promo-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--magenta), var(--neon));
    color: #000;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    letter-spacing: 0.08em;
}

.promo-content { display: flex; align-items: center; gap: var(--spacing-md); position: relative; z-index: 1; }
.promo-icon { width: 44px; height: 44px; color: var(--magenta); flex-shrink: 0; filter: drop-shadow(0 0 8px rgba(255,0,255,0.3)); }
.promo-text { display: flex; flex-direction: column; gap: 3px; }
.promo-text strong { color: var(--text); font-size: 16px; font-weight: 600; }
.promo-text span { color: var(--text-secondary); font-size: 13px; }
.promo-cta { color: var(--magenta) !important; font-weight: 600 !important; margin-top: 4px; }

/* ========================================
   BG UPLOAD
   ======================================== */

.bg-controls { display: flex; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); padding: 0 var(--spacing-xs); }

.bg-controls .bg-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    border: 1px solid var(--stroke-subtle);
    background: var(--glass-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 20px;
    transition: all var(--transition-fast);
}

.bg-controls .bg-btn:active { transform: scale(0.92); background: var(--glass); }

/* ========================================
   SMALL SCREEN TOUCH TARGETS
   ======================================== */

@media screen and (max-width: 375px) {
    .btn { min-height: 48px; padding: 14px 20px; font-size: 15px; }
    .card { padding: var(--spacing-md); }
    .settings-row { padding: 14px var(--spacing-md); }
    .form-input { padding: 14px 16px; font-size: 16px; }
    .copy-btn { padding: 8px 12px; font-size: 12px; }
    .action-buttons { gap: var(--spacing-xs); }
}