/* ================================================
   MDCard Theme - Monochrome Glass Edition
   Clean grayscale | Responsive | Glass Morphism
   ================================================ */

/* --- CSS Variables --- */
:root {
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-bg-strong: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-border-light: rgba(0, 0, 0, 0.04);
    --glass-shadow: rgba(0, 0, 0, 0.05);
    --glass-shadow-lg: rgba(0, 0, 0, 0.1);

    --primary: #374151;
    --primary-light: #4b5563;
    --primary-dark: #1f2937;
    --on-primary: #ffffff;

    --gradient-primary: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    --gradient-price: linear-gradient(135deg, #4b5563 0%, #111827 100%);
    --gradient-body: linear-gradient(160deg, #fafafa 0%, #f5f5f5 40%, #eeeeee 100%);

    --text-main: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --text-on-glass: #374151;

    --success: #059669;
    --warning: #d97706;
    --error: #dc2626;

    --radius-sm: 14px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 44px;
    --radius-full: 9999px;

    --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Dark Mode --- */
.md-dark {
    --glass-bg: rgba(30, 30, 30, 0.45);
    --glass-bg-strong: rgba(30, 30, 30, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-light: rgba(255, 255, 255, 0.04);
    --glass-shadow: rgba(0, 0, 0, 0.25);
    --glass-shadow-lg: rgba(0, 0, 0, 0.45);
    --text-main: #f3f4f6;
    --text-secondary: #d1d5db;
    --text-muted: #6b7280;
    --text-on-glass: #e5e7eb;
    --primary: #9ca3af;
    --primary-light: #d1d5db;
    --primary-dark: #6b7280;
    --gradient-primary: linear-gradient(135deg, #4b5563 0%, #1f2937 100%);
    --gradient-price: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
    --gradient-body: linear-gradient(160deg, #18181b 0%, #1f1f23 40%, #27272a 100%);
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    background: var(--bg-img, var(--gradient-body));
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; height: auto; }

/* --- Glass Card --- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px var(--glass-shadow);
    transition: box-shadow var(--transition);
}
.md-dark .glass { box-shadow: 0 4px 16px var(--glass-shadow); }
.glass:hover {
    box-shadow: 0 8px 28px var(--glass-shadow-lg);
}

/* =============================================
   TOP APP BAR
   ============================================= */
.md-top-app-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 2px 12px var(--glass-shadow);
}
.md-dark .md-top-app-bar { background: rgba(24, 24, 27, 0.55); }
.md-top-app-bar__content {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 16px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}
.md-top-app-bar__leading {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex-shrink: 0;
}
.md-top-app-bar__logo { height: 32px; width: auto; border-radius: 8px; }
.md-top-app-bar__icon { font-size: 26px; color: var(--primary); }
.md-top-app-bar__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}
.md-top-app-bar__trailing {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}
.md-top-app-bar__tabs {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.md-top-app-bar__tabs .md-nav-tabs { margin: 0 auto; }

/* --- Icon Button --- */
.md-icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.md-icon-button:hover {
    background: rgba(0,0,0,0.06);
    color: var(--text-main);
}
.md-icon-button .material-icons-round { font-size: 20px; }

/* --- Nav Tabs --- */
.md-nav-tabs {
    display: flex;
    gap: 4px;
    padding: 3px;
    background: rgba(0,0,0,0.04);
    border-radius: var(--radius-full);
    position: relative;
}

.md-nav-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    height: calc(100% - 6px);
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: left 0.25s ease, width 0.25s ease;
    z-index: 0;
    pointer-events: none;
}

.md-nav-tab {
    padding: 6px 16px;
    border-radius: var(--radius-full);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    z-index: 1;
}
.md-nav-tab:hover { color: var(--text-main); }
.md-nav-tab--active {
    background: transparent !important;
    color: var(--on-primary) !important;
    box-shadow: none;
}

/* --- Container --- */
.md-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 16px;
}



/* --- Announce Bar --- */
.md-announce-bar {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 18px;
    margin-bottom: 2px;
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--text-on-glass);
}
.md-announce-bar .material-icons-round {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--primary);
}
.md-announce-bar__text { flex: 1; min-width: 0; }

/* =============================================
   CARDS & SECTIONS
   ============================================= */
.md-card { margin-bottom: 14px; }
.md-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 22px 0;
}
.md-card__icon {
    font-size: 22px;
    color: var(--primary);
    background: rgba(0,0,0,0.05);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}
.md-card__title { font-size: 1rem; font-weight: 700; color: var(--text-main); }
.md-card__body { padding: 14px 22px; }
.md-card__divider {
    height: 1px;
    background: var(--glass-border);
    margin: 0 22px;
}
.md-card__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 10px 22px 20px;
}
.md-section { animation: cardIn 0.3s ease backwards; }
.md-section:nth-child(1) { animation-delay: 0s; }
.md-section:nth-child(2) { animation-delay: 0.08s; }
.md-section:nth-child(3) { animation-delay: 0.16s; }
.md-section:nth-child(4) { animation-delay: 0.24s; }

@keyframes cardIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Buttons --- */
.md-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 44px;
    padding: 0 26px;
    border-radius: var(--radius-full);
    border: none;
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: box-shadow var(--transition), filter var(--transition);
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: 0.01em;
}
.md-btn:disabled { opacity: 0.4; cursor: default; pointer-events: none; }
.md-btn .material-icons-round { font-size: 18px; }

.md-btn--filled {
    background: var(--gradient-primary);
    color: var(--on-primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.12);
}
.md-btn--filled:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    filter: brightness(1.05);
}
.md-btn--filled:active { filter: brightness(0.95); }

.md-btn--tonal {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(12px);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}
.md-btn--tonal:hover { box-shadow: 0 3px 12px var(--glass-shadow); }

.md-btn--outlined {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(8px);
}
.md-btn--outlined:hover { background: rgba(0,0,0,0.04); border-color: var(--primary-light); }

/* --- Chips --- */
.md-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 34px;
    padding: 0 14px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    color: var(--text-secondary);
    text-decoration: none;
}
.md-chip:hover { background: var(--glass-bg-strong); color: var(--text-main); }
.md-chip .material-icons-round { font-size: 16px; }
.md-chip--outline { background: transparent; }

.md-chip--filter { position: relative; }
.md-chip--filter input { position: absolute; opacity: 0; width: 0; height: 0; }
.md-chip--filter .material-icons-round { display: none; font-size: 15px; color: var(--primary); }
.md-chip--filter input:checked ~ .material-icons-round { display: inline; }
.md-chip--filter:has(input:checked) {
    background: rgba(0,0,0,0.06);
    color: var(--primary);
    border-color: var(--primary-light);
}

/* --- Category & Product Chips --- */
.md-category-chip,
.md-product-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    padding: 0 18px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    color: var(--text-secondary);
    margin: 3px;
}
.md-category-chip:hover,
.md-product-chip:hover {
    background: var(--glass-bg-strong);
    color: var(--text-main);
}
.md-category-chip--active,
.md-product-chip--active {
    background: var(--gradient-primary) !important;
    color: var(--on-primary) !important;
    border-color: transparent !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.md-product-chip {
    flex-direction: column;
    height: auto;
    min-height: 60px;
    padding: 10px 16px;
    gap: 3px;
    border-radius: var(--radius-md);
}
.md-product-chip__name { font-size: 0.85rem; font-weight: 500; }
.md-product-chip__price {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
}
.md-product-chip--active .md-product-chip__price { color: rgba(255,255,255,0.85); }

/* --- Product Info --- */
.md-product-info { display: flex; flex-direction: column; gap: 12px; }
.md-product-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}
.md-price-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.md-price-label { font-size: 0.85rem; color: var(--text-secondary); }
.md-price-value {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-price);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.md-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* --- Order Summary --- */
.md-order-summary { display: flex; flex-direction: column; gap: 8px; }
.md-order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    font-size: 0.9rem;
}
.md-order-item__label { color: var(--text-secondary); }
.md-order-item__value { font-weight: 500; color: var(--text-main); }
.md-order-item--total {
    border-top: 1px solid var(--glass-border);
    margin-top: 6px;
    padding-top: 14px;
}
.md-order-item--total .md-order-item__label { font-weight: 700; color: var(--text-main); }
.md-order-item--total .md-order-item__value {
    font-size: 1.2rem;
    font-weight: 800;
    background: var(--gradient-price);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Form --- */
.md-form { display: flex; flex-direction: column; gap: 16px; }
.md-form-field { display: flex; flex-direction: column; gap: 5px; }
.md-form-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.md-form-input {
    height: 48px;
    padding: 0 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    color: var(--text-main);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition);
}
.md-form-input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}
.md-form-input::placeholder { color: var(--text-muted); }
.md-form-hint { font-size: 0.75rem; color: var(--text-muted); }

.md-form-input-wrap { display: flex; align-items: center; gap: 8px; }
.md-qty-input { width: 80px; text-align: center; -moz-appearance: textfield; }
.md-qty-input::-webkit-outer-spin-button,
.md-qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.md-qty-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.md-qty-btn:hover { background: var(--glass-bg-strong); border-color: var(--primary-light); }
.md-qty-btn .material-icons-round { font-size: 18px; }
.md-service-chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* --- Payway --- */
.md-payway-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
}
.md-payway-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 6px;
    border-radius: var(--radius-md);
    border: 2px solid var(--glass-border);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    text-align: center;
}
.md-payway-item:hover { background: var(--glass-bg-strong); }
.md-payway-item input { display: none; }
.md-payway-item img { height: 24px; width: auto; }
.md-payway-item span { font-size: 0.75rem; font-weight: 500; color: var(--text-secondary); }
.md-payway-item--selected {
    border-color: var(--primary) !important;
    background: rgba(0,0,0,0.04) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.md-payway-item--selected span { color: var(--primary); font-weight: 600; }

/* --- Snackbar --- */
.md-snackbar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    background: rgba(30, 30, 35, 0.92);
    backdrop-filter: blur(16px);
    color: #fff;
    padding: 13px 20px;
    border-radius: var(--radius-full);
    box-shadow: 0 8px 28px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 200;
    min-width: 260px;
    max-width: 90vw;
    font-size: 0.85rem;
    transition: transform 0.2s cubic-bezier(0.2, 0, 0, 1);
    border: 1px solid rgba(255,255,255,0.08);
}
.md-snackbar--show { transform: translateX(-50%) translateY(0); }
.md-snackbar__action {
    border: none;
    background: none;
    color: var(--primary-light);
    font-family: var(--font);
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* --- Dialog / Modal --- */
.md-scrim {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.25);
    backdrop-filter: blur(3px);
    z-index: 300;
    animation: fadeIn 0.12s ease;
}
.md-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--glass-bg-strong);
    backdrop-filter: blur(40px) saturate(200%);
    -webkit-backdrop-filter: blur(40px) saturate(200%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
    z-index: 301;
    min-width: 300px;
    max-width: 92vw;
    max-height: 82vh;
    overflow-y: auto;
    animation: dialogIn 0.22s cubic-bezier(0.2, 0, 0, 1);
}
.md-dialog__header { padding: 26px 26px 0; }
.md-dialog__title { font-size: 1.25rem; font-weight: 700; color: var(--text-main); }
.md-dialog__body {
    padding: 18px 26px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}
.md-dialog__body .md-form-input { width: 100%; }
.md-dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 10px 22px 22px;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes dialogIn {
    from { opacity: 0; transform: translate(-50%, -48%) scale(0.97); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* --- Music Button --- */
.md-music-btn {
    position: fixed;
    bottom: 84px;
    right: 16px;
    width: 46px;
    height: 46px;
    border-radius: var(--radius-full);
    background: var(--glass-bg-strong);
    backdrop-filter: blur(12px);
    color: var(--primary);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    box-shadow: 0 2px 10px var(--glass-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    z-index: 50;
}
.md-music-btn:hover { box-shadow: 0 3px 12px var(--glass-shadow-lg); }
.md-music-btn.playing {
    background: var(--gradient-primary);
    color: var(--on-primary);
    animation: musicPulse 2s infinite;
}
.md-music-btn .material-icons-round { font-size: 20px; }
@keyframes musicPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(55,65,81,0.3); }
    50% { box-shadow: 0 0 0 8px rgba(55,65,81,0); }
}

/* --- Page Transition --- */
#page-shop,
#page-checkout,
#page-record {
    animation: pageIn 0.22s cubic-bezier(0.2, 0, 0, 1);
}
@keyframes pageIn {
    from { opacity: 0; transform: translateY(10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* =============================================
   PAYMENT IFRAME MODAL
   ============================================= */
.md-pay-overlay {
    position: fixed;
    inset: 0;
    z-index: 350;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.15s ease;
}
.md-pay-panel {
    width: 90vw;
    max-width: 500px;
    height: 80vh;
    max-height: 620px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(40px) saturate(200%);
    -webkit-backdrop-filter: blur(40px) saturate(200%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    animation: payPanelIn 0.25s cubic-bezier(0.2, 0, 0, 1);
}
@keyframes payPanelIn {
    from { opacity: 0; transform: scale(0.95) translateY(12px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.md-pay-panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--glass-border);
    flex-shrink: 0;
}
.md-pay-panel__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
}
.md-pay-panel__body {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: #fff;
}
.md-dark .md-pay-panel__body { background: #1a1a1a; }
.md-pay-panel__body iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    background: #fff;
}
.md-dark .md-pay-panel__body iframe { background: #1a1a1a; }
.md-pay-panel__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-top: 1px solid var(--glass-border);
    flex-shrink: 0;
    gap: 10px;
    flex-wrap: wrap;
}
.md-pay-panel__hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    flex: 1;
    min-width: 0;
}
.md-pay-panel__foot .md-btn { height: 38px; padding: 0 18px; font-size: 0.85rem; }

/* --- Pay modal: Tablet --- */
@media (max-width: 900px) {
    .md-pay-panel {
        width: 94vw;
        max-width: 560px;
        height: 85vh;
        max-height: 640px;
    }
}

/* --- Pay modal: Mobile --- */
@media (max-width: 600px) {
    .md-pay-panel {
        width: 100vw;
        height: 100vh;
        max-width: none;
        max-height: none;
        border-radius: 0 !important;
    }
    .md-pay-panel__head { padding: 12px 14px; }
    .md-pay-panel__title { font-size: 1rem; }
    .md-pay-panel__foot { padding: 10px 14px; }
    .md-pay-panel__hint { font-size: 0.75rem; }
    .md-pay-panel__foot .md-btn { height: 34px; padding: 0 14px; font-size: 0.8rem; }
}

/* --- Pay modal: Small Mobile --- */
@media (max-width: 400px) {
    .md-pay-panel__head { padding: 10px 12px; }
    .md-pay-panel__title { font-size: 0.95rem; }
    .md-pay-panel__foot { padding: 8px 12px; gap: 6px; }
    .md-pay-panel__hint { font-size: 0.72rem; flex: 1 1 100%; order: 2; text-align: center; }
    .md-pay-panel__foot .md-btn { flex: 1; order: 1; width: 100%; text-align: center; }
}

/* --- Hint Text --- */
.md-hint-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    padding: 24px 0;
}

/* =============================================
   ORDER QUERY PAGE
   ============================================= */
.md-record-tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.md-record-tab {
    padding: 7px 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}
.md-record-tab:hover { background: var(--glass-bg-strong); color: var(--text-main); }
.md-record-tab--active {
    background: var(--gradient-primary);
    color: var(--on-primary);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.md-record-list { display: flex; flex-direction: column; gap: 12px; }
.md-record-item {
    padding: 16px 20px;
    transition: box-shadow var(--transition);
}
.md-record-item:hover { box-shadow: 0 6px 20px var(--glass-shadow); }
.md-record-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 6px;
}
.md-record-item__no {
    font-family: monospace;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(0,0,0,0.05);
    padding: 3px 10px;
    border-radius: var(--radius-full);
}
.md-record-item__status {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
}
.md-record-item__status--success { background: rgba(5, 150, 105, 0.1); color: var(--success); }
.md-record-item__status--paid { background: rgba(217, 119, 6, 0.1); color: var(--warning); }
.md-record-item__status--unpay { background: rgba(156, 163, 175, 0.1); color: var(--text-muted); }
.md-record-item__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.md-record-item__body span { display: flex; flex-direction: column; }
.md-record-item__body label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 1px;
}
.md-record-item__actions { margin-top: 12px; display: flex; gap: 8px; }
.md-record-item__actions .md-btn { height: 34px; padding: 0 14px; font-size: 0.8rem; }

/* --- Card display --- */
.md-card-display {
    background: rgba(0,0,0,0.03);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-family: monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-main);
    word-break: break-all;
    white-space: pre-wrap;
    max-height: 260px;
    overflow-y: auto;
}
.md-dark .md-card-display { background: rgba(255,255,255,0.04); }

/* --- Empty State --- */
.md-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}
.md-empty .material-icons-round {
    font-size: 48px;
    margin-bottom: 10px;
    opacity: 0.3;
}

/* =============================================
   RESPONSIVE: Tablet
   ============================================= */
@media (max-width: 900px) {
    .md-container { max-width: 100%; padding: 12px 14px; }
    .md-card__header { padding: 16px 16px 0; }
    .md-card__body { padding: 12px 16px; }
    .md-card__actions { padding: 8px 16px 16px; }
    .md-dialog { min-width: 280px; }
    .md-payway-list { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    .md-top-app-bar__title { max-width: 100px; font-size: 0.95rem; }
}

/* =============================================
   RESPONSIVE: Mobile
   ============================================= */
@media (max-width: 600px) {
    body { font-size: 15px; }

    .md-top-app-bar__content { height: 56px; padding: 0 10px; }
    .md-top-app-bar__title { max-width: 80px; font-size: 0.9rem; display: none; }
    .md-top-app-bar__logo { height: 28px; }

    .md-top-app-bar__tabs .md-nav-tabs { padding: 2px; gap: 3px; }
    .md-top-app-bar__tabs .md-nav-tab { padding: 5px 10px; font-size: 0.78rem; }

    .md-container { padding: 10px; }
    .md-card { margin-bottom: 10px; }
    .md-card__header { padding: 14px 14px 0; }
    .md-card__body { padding: 10px 14px; }
    .md-card__actions { padding: 8px 14px 14px; }
    .md-card__icon { width: 34px; height: 34px; font-size: 18px; }
    .md-card__title { font-size: 0.95rem; }

    .md-btn { height: 42px; padding: 0 20px; font-size: 0.85rem; }
    .md-price-value { font-size: 1.3rem; }
    .md-order-item--total .md-order-item__value { font-size: 1.1rem; }

    .md-payway-list { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .md-payway-item { padding: 10px 4px; }
    .md-payway-item img { height: 20px; }
    .md-payway-item span { font-size: 0.7rem; }

    .md-product-chip { min-height: 52px; padding: 8px 12px; }
    .md-category-chip { height: 34px; padding: 0 14px; font-size: 0.8rem; }
    .md-product-chip__name { font-size: 0.8rem; }

    .md-dialog {
        min-width: auto;
        width: calc(100vw - 24px);
        max-width: calc(100vw - 24px);
        border-radius: var(--radius-md);
    }
    .md-dialog__header { padding: 20px 20px 0; }
    .md-dialog__body { padding: 14px 20px; }
    .md-dialog__actions { padding: 8px 18px 18px; }

    .md-record-item__body { grid-template-columns: 1fr; }
    .md-record-item { padding: 14px 16px; }

    .md-nav-tabs { gap: 3px; }
    .md-nav-tab { padding: 5px 12px; font-size: 0.82rem; }

    .md-form-input { height: 44px; padding: 0 14px; font-size: 0.85rem; }
    .md-snackbar { min-width: auto; width: calc(100vw - 32px); }
    .md-announce-bar { padding: 12px 14px; font-size: 0.825rem; }
}

/* =============================================
   RESPONSIVE: Small Mobile
   ============================================= */
@media (max-width: 400px) {
    .md-top-app-bar__tabs .md-nav-tab { padding: 4px 8px; font-size: 0.72rem; }
    .md-top-app-bar__content { padding: 0 8px; }

    .md-container { padding: 8px; }
    .md-card { margin-bottom: 8px; }
    .md-card__header { padding: 12px 12px 0; }
    .md-card__body { padding: 8px 12px; }
    .md-card__actions { padding: 6px 12px 12px; }

    .md-payway-list { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .md-payway-item { padding: 8px 2px; border-radius: var(--radius-sm); }
    .md-payway-item img { height: 18px; }
    .md-payway-item span { font-size: 0.68rem; }

    .md-product-chip { min-height: 46px; padding: 6px 10px; }
    .md-category-chip { height: 30px; padding: 0 10px; font-size: 0.75rem; }
    .md-btn { height: 40px; padding: 0 16px; font-size: 0.8rem; }
    .md-price-value { font-size: 1.2rem; }
    .md-form-input { height: 40px; font-size: 0.82rem; }
}

/* =============================================
   Quill overrides
   ============================================= */
.ql-editor.quill-html { padding: 0; white-space: normal; line-height: inherit; }
.ql-editor.quill-html * { font-family: inherit; font-size: inherit; }
.ql-editor.quill-html a { color: var(--primary); }
.ql-editor.quill-html img { max-width: 100%; }