/* ==========================================================================
   BSN STEAM CUSTOMER VAULT - AUDIOPLUS (#31231) LIGHT BLUE & CORAL EDITION
   Responsive: 360px, 390px, 768px, 1024px+
   ========================================================================== */

:root {
    --bsn-bg-page: #F9FBFC;
    --bsn-bg-card: #FFFFFF;
    --bsn-bg-surface: #F0F7FF;
    --bsn-bg-hover: #E6F2FF;
    --bsn-border: #CCD3DD;
    --bsn-border-glow: #66B4F7;
    --bsn-text-primary: #292929;
    --bsn-text-secondary: #555555;
    --bsn-text-muted: #7A869A;
    --bsn-accent: #0581F1;
    --bsn-accent-hover: #0468C2;
    --bsn-coral-grad: linear-gradient(180deg, #FE8A68 0%, #EF5F43 100%);
    --bsn-coral-grad-hover: linear-gradient(180deg, #EF5F43 0%, #FE8A68 100%);
    --bsn-blue-grad: linear-gradient(135deg, #0581F1 0%, #5876DE 55%, #66B4F7 100%);
    --bsn-vip: #D97706;
    --bsn-standard: #0581F1;
    --bsn-success: #059669;
    --bsn-warning: #D97706;
    --bsn-danger: #EF4444;
    --bsn-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes bsn-vault-pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.07); }
    100% { transform: scale(1); }
}

.bsn-steam-customer-wrapper {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--bsn-text-secondary);
    margin: 18px 0 48px 0;
    max-width: 100%;
}

/* 1. Header & Stats Grid (AudioPlus Vibrant Blue Hero Banner + Grid Pattern) */
.bsn-vault-header {
    background: var(--bsn-blue-grad);
    border: 1px solid #0581F1;
    border-radius: 15px;
    padding: 26px;
    margin-bottom: 20px;
    box-shadow: 0 14px 36px rgba(5, 129, 241, 0.24);
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.bsn-vault-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.09) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.09) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.bsn-vault-title-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.bsn-vault-icon-badge {
    font-size: 30px;
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(8px);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.bsn-vault-title {
    font-size: 22px;
    font-weight: 800;
    color: #FFFFFF;
    margin: 0 0 4px 0;
    letter-spacing: -0.4px;
}

.bsn-vault-subtitle {
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.92);
    margin: 0;
    line-height: 1.5;
}

.bsn-vault-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    position: relative;
    z-index: 1;
}

.bsn-vault-stat-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    transition: transform 0.28s var(--bsn-ease-spring), box-shadow 0.28s ease;
}

.bsn-vault-stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.14);
}

.bsn-vault-stat-num {
    font-size: 24px;
    font-weight: 800;
    color: var(--bsn-accent);
    line-height: 1.1;
    margin-bottom: 4px;
    font-feature-settings: "tnum";
}

.bsn-stat-valid {
    color: var(--bsn-success);
}

.bsn-stat-warn {
    color: #EF5F43;
}

.bsn-vault-stat-label {
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #475569 !important;
}

/* 2. Quick Guide */
.bsn-vault-quick-guide {
    background: #F0F7FF;
    border: 1px solid rgba(5, 129, 241, 0.22);
    border-left: 4px solid var(--bsn-accent);
    border-radius: 12px;
    padding: 13px 18px;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13.5px;
    line-height: 1.5;
}

.bsn-guide-tag {
    background: var(--bsn-coral-grad);
    color: #FFFFFF;
    font-size: 10.5px;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 30px;
    white-space: nowrap;
    letter-spacing: 0.5px;
    box-shadow: 0 3px 10px rgba(239, 95, 67, 0.3);
}

.bsn-guide-text {
    color: #0F172A !important;
    font-weight: 500;
}

/* 3. Filter Container */
.bsn-vault-filter-container {
    background: var(--bsn-bg-card);
    border: 1px solid var(--bsn-border);
    border-radius: 15px;
    padding: 18px;
    margin-bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 8px 28px rgba(7, 45, 126, 0.05);
}

.bsn-search-box-wrap {
    position: relative;
    display: flex;
    align-items: center;
    margin: 0 !important;
}

.bsn-search-icon {
    position: absolute !important;
    left: 16px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    font-size: 15px !important;
    line-height: 1 !important;
    color: var(--bsn-accent);
    pointer-events: none;
    z-index: 2;
}

.bsn-steam-vault-wrap input.bsn-search-input,
.bsn-search-input {
    width: 100% !important;
    height: 44px !important;
    min-height: 44px !important;
    line-height: 42px !important;
    padding: 0 42px 0 44px !important;
    margin: 0 !important;
    border-radius: 30px !important;
    border: 1.5px solid var(--bsn-border) !important;
    background: var(--bsn-bg-page) !important;
    color: var(--bsn-text-primary) !important;
    font-size: 14px !important;
    outline: none;
    box-sizing: border-box !important;
    box-shadow: none !important;
    transition: all 0.25s ease;
}

.bsn-steam-vault-wrap input.bsn-search-input:focus,
.bsn-search-input:focus {
    border-color: var(--bsn-accent) !important;
    box-shadow: 0 0 0 4px rgba(5, 129, 241, 0.12) !important;
    background: #FFFFFF !important;
}

.bsn-search-clear-btn {
    position: absolute !important;
    right: 14px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    background: none !important;
    border: none !important;
    color: var(--bsn-text-muted) !important;
    font-size: 14px !important;
    line-height: 1 !important;
    cursor: pointer;
    padding: 4px !important;
    margin: 0 !important;
    z-index: 2;
}

.bsn-search-clear-btn:hover {
    color: #EF5F43 !important;
}

.bsn-filter-selects-wrap {
    display: grid;
    grid-template-columns: repeat(3, 1fr) auto;
    gap: 10px;
    align-items: center;
}

.bsn-select-wrap {
    position: relative;
    margin: 0 !important;
}

.bsn-steam-vault-wrap select.bsn-filter-select,
.bsn-filter-select {
    width: 100% !important;
    height: 42px !important;
    min-height: 42px !important;
    line-height: 1.35 !important;
    padding: 0 34px 0 14px !important;
    margin: 0 !important;
    border-radius: 10px !important;
    border: 1px solid var(--bsn-border) !important;
    background-color: #FFFFFF !important;
    color: var(--bsn-text-primary) !important;
    font-size: 13.5px !important;
    font-weight: 600 !important;
    cursor: pointer;
    outline: none;
    box-sizing: border-box !important;
    box-shadow: none !important;
    transition: border-color 0.2s;
}

.bsn-steam-vault-wrap select.bsn-filter-select:focus,
.bsn-filter-select:focus {
    border-color: var(--bsn-accent) !important;
}

.bsn-steam-vault-wrap button.bsn-btn-reset-filters,
.bsn-btn-reset-filters {
    height: 42px !important;
    min-height: 42px !important;
    padding: 0 18px !important;
    margin: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #F0F7FF !important;
    border: 1px solid rgba(5, 129, 241, 0.25) !important;
    color: var(--bsn-accent) !important;
    border-radius: 30px !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    line-height: 1 !important;
    cursor: pointer;
    white-space: nowrap;
    box-sizing: border-box !important;
    transition: all 0.25s var(--bsn-ease-spring);
}

.bsn-steam-vault-wrap button.bsn-btn-reset-filters:hover,
.bsn-btn-reset-filters:hover {
    background: var(--bsn-accent) !important;
    color: #FFFFFF !important;
    animation: bsn-vault-pop 0.3s linear 1;
}

.bsn-filter-result-bar {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 600;
    color: #475569 !important;
    margin-bottom: 18px;
    padding: 0 4px;
}

/* 4. Empty States */
.bsn-empty-state-card,
.bsn-no-match-card {
    text-align: center;
    padding: 48px 28px;
    background: var(--bsn-bg-card);
    border-radius: 15px;
    border: 1.5px dashed var(--bsn-border);
    margin: 20px 0;
    box-shadow: 0 8px 28px rgba(7, 45, 126, 0.05);
}

.bsn-empty-icon,
.bsn-no-match-icon {
    font-size: 46px;
    margin-bottom: 12px;
}

.bsn-empty-title,
.bsn-no-match-card h4 {
    font-size: 19px;
    font-weight: 800;
    color: #0F172A !important;
    margin: 0 0 8px 0;
}

.bsn-empty-desc,
.bsn-no-match-card p {
    font-size: 14px;
    color: #475569 !important;
    max-width: 460px;
    margin: 0 auto 22px auto;
    line-height: 1.55;
}

.bsn-btn-shop {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bsn-coral-grad);
    color: #FFFFFF !important;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 800;
    font-size: 13.5px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    text-decoration: none;
    box-shadow: 0 8px 22px rgba(239, 95, 67, 0.32);
    transition: all 0.28s var(--bsn-ease-spring);
}

.bsn-btn-shop:hover {
    background: var(--bsn-coral-grad-hover);
    animation: bsn-vault-pop 0.32s linear 1;
    box-shadow: 0 12px 28px rgba(239, 95, 67, 0.45);
}

/* 5. Game Cards Grid (AudioPlus post-1033.css Card Style + Spring Hover) */
.bsn-steam-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(390px, 1fr));
    gap: 21px;
}

.bsn-steam-card {
    background: var(--bsn-bg-card);
    border: 1px solid var(--bsn-border);
    border-radius: 15px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: transform 0.32s var(--bsn-ease-spring), border-color 0.25s ease, box-shadow 0.32s ease;
    box-shadow: 0 8px 28px rgba(7, 45, 126, 0.06);
    position: relative;
    overflow: hidden;
}

.bsn-steam-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0581F1, #FE8A68, #EF5F43);
    opacity: 0;
    transition: opacity 0.28s ease;
}

.bsn-steam-card:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: var(--bsn-border-glow);
    box-shadow: 0 18px 42px rgba(5, 129, 241, 0.14), 0 4px 14px rgba(239, 95, 67, 0.08);
}

.bsn-steam-card:hover::before {
    opacity: 1;
}

.bsn-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.bsn-card-title-wrap {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.bsn-game-title {
    font-size: 17.5px;
    font-weight: 800;
    color: #0F172A !important;
    margin: 0;
    line-height: 1.35;
    word-break: break-word;
}

.bsn-tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    width: fit-content;
    font-size: 10.5px;
    font-weight: 800;
    padding: 4px 11px;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

.bsn-tier-vip {
    background: var(--bsn-coral-grad);
    color: #FFFFFF;
    border: none;
    box-shadow: 0 3px 10px rgba(239, 95, 67, 0.28);
}

.bsn-tier-standard {
    background: rgba(5, 129, 241, 0.12);
    color: var(--bsn-accent);
    border: 1px solid rgba(5, 129, 241, 0.28);
}

.bsn-access-count-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    font-size: 11px;
    font-weight: 700;
    color: var(--bsn-success);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.28);
    padding: 3px 10px;
    border-radius: 30px;
    white-space: nowrap;
}

/* Status Badges */
.bsn-status-pill {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 11px;
    border-radius: 30px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.bsn-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.bsn-status-active {
    background: rgba(16, 185, 129, 0.12);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.bsn-status-pending {
    background: rgba(245, 158, 11, 0.14);
    color: #D97706;
    border: 1px solid rgba(245, 158, 11, 0.35);
    animation: bsn-pulse-status 2s infinite;
}

@keyframes bsn-pulse-status {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.bsn-status-dead_warranty {
    background: rgba(239, 68, 68, 0.12);
    color: #DC2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.bsn-status-expired_alive {
    background: rgba(245, 158, 11, 0.12);
    color: #D97706;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.bsn-status-unsupported_dead,
.bsn-status-revoked {
    background: #F1F5F9;
    color: #64748B;
    border: 1px solid #CBD5E1;
}

/* Card Meta */
.bsn-card-meta {
    background: var(--bsn-bg-page);
    border: 1px solid #E8EDF2;
    border-radius: 12px;
    padding: 11px 14px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-size: 12.5px;
}

.bsn-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.bsn-meta-label {
    color: #475569 !important;
    font-weight: 500;
    white-space: nowrap;
}

.bsn-meta-val {
    color: #0F172A !important;
    font-weight: 700;
    text-align: right;
    white-space: nowrap;
}

.bsn-text-valid {
    color: #059669;
}

.bsn-text-expired {
    color: #DC2626;
}

.bsn-meta-link {
    color: var(--bsn-accent);
    text-decoration: none;
    font-weight: 700;
}

.bsn-meta-link:hover {
    color: #EF5F43;
    text-decoration: underline;
}

/* Group Details Accordion */
.bsn-group-details-wrap {
    margin-top: -4px;
}

.bsn-toggle-details-btn {
    background: none;
    border: none;
    color: var(--bsn-accent);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    padding: 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.bsn-group-details-list {
    margin-top: 8px;
    padding: 10px 12px;
    background: #F9FBFC;
    border-radius: 10px;
    border: 1px solid var(--bsn-border);
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
}

.bsn-sub-ent-row {
    display: flex;
    justify-content: space-between;
    color: #334155 !important;
    font-weight: 600;
}

.bsn-sub-ent-date {
    color: #475569 !important;
}

/* Card Notices */
.bsn-card-notice {
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 12.5px;
    font-weight: 500;
    line-height: 1.5;
}

.bsn-notice-pending {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    color: #B45309;
}

.bsn-notice-dead_warranty {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #DC2626;
}

.bsn-notice-expired_alive {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    color: #92400E;
}

.bsn-notice-unsupported_dead,
.bsn-notice-revoked {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    color: #64748B;
}

/* 6. Credentials Box (AudioPlus Soft Blue Panel) */
.bsn-cred-box {
    background: #F0F7FF;
    border: 1px solid rgba(5, 129, 241, 0.22);
    border-radius: 12px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bsn-cred-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(5, 129, 241, 0.14);
    padding-bottom: 6px;
}

.bsn-cred-title {
    font-size: 11px;
    font-weight: 800;
    color: var(--bsn-accent);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.bsn-timer-badge {
    font-size: 11px;
    font-weight: 700;
    color: #D97706;
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    padding: 2px 8px;
    border-radius: 30px;
    white-space: nowrap;
}

.bsn-cred-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
}

.bsn-cred-label {
    color: #475569 !important;
    font-size: 12px;
    font-weight: 600;
    width: 68px;
    flex-shrink: 0;
    white-space: nowrap;
}

.bsn-cred-value {
    font-family: 'Courier New', Courier, monospace;
    font-size: 13.5px;
    font-weight: 700;
    color: #0F172A !important;
    background: #FFFFFF;
    border: 1px solid rgba(5, 129, 241, 0.18);
    border-radius: 6px;
    padding: 4px 10px;
    letter-spacing: 0.4px;
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow-x: auto;
    user-select: all;
}

.bsn-cred-row-note {
    align-items: flex-start;
}

.bsn-cred-row-note .bsn-cred-label {
    padding-top: 5px;
}

.bsn-val-note {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    font-size: 12.5px !important;
    font-weight: 600 !important;
    color: #0F172A !important;
    line-height: 1.45;
    white-space: pre-wrap !important;
    word-break: break-word;
    letter-spacing: 0 !important;
    padding: 5px 10px;
    user-select: text;
}

.bsn-val-note.is-empty {
    color: #64748B !important;
    font-weight: 500 !important;
    font-style: italic;
}

.bsn-btn-copy {
    background: #FFFFFF;
    border: 1px solid rgba(5, 129, 241, 0.3);
    color: var(--bsn-accent);
    cursor: pointer;
    font-size: 11.5px;
    font-weight: 700;
    padding: 5px 11px;
    border-radius: 30px;
    transition: all 0.2s var(--bsn-ease-spring);
    white-space: nowrap;
}

.bsn-btn-copy:hover {
    background: var(--bsn-accent);
    border-color: var(--bsn-accent);
    color: #FFFFFF;
    transform: scale(1.05);
}

.bsn-copy-success {
    background: #059669 !important;
    border-color: #059669 !important;
    color: #FFFFFF !important;
}

.bsn-cred-actions-bar {
    margin-top: 4px;
    display: flex;
    gap: 8px;
}

.bsn-btn-reveal {
    flex: 1;
    background: #FFFFFF;
    border: 1.5px solid var(--bsn-accent);
    color: var(--bsn-accent);
    border-radius: 30px;
    padding: 9px 14px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s var(--bsn-ease-spring);
    text-align: center;
    white-space: nowrap;
}

.bsn-btn-reveal:hover:not(:disabled) {
    background: var(--bsn-accent);
    border-color: var(--bsn-accent);
    color: #FFFFFF;
    animation: bsn-vault-pop 0.3s linear 1;
    box-shadow: 0 6px 16px rgba(5, 129, 241, 0.25);
}

.bsn-btn-hide-cred {
    background: #FFFFFF;
    border: 1px solid var(--bsn-border);
    color: var(--bsn-text-secondary);
    border-radius: 30px;
    padding: 9px 16px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.bsn-btn-hide-cred:hover {
    background: #FEF2F2;
    border-color: #EF4444;
    color: #DC2626;
}

.bsn-cred-inline-error {
    color: #DC2626;
    font-size: 12px;
    font-weight: 600;
    margin-top: 4px;
}

/* 7. Action Buttons (AudioPlus Coral & Blue Pills + Pop) */
.bsn-card-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.bsn-btn-action {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    font-size: 12.5px;
    font-weight: 700;
    border-radius: 30px;
    text-decoration: none !important;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.28s var(--bsn-ease-spring);
    text-align: center;
    border: none;
    gap: 6px;
}

.bsn-btn-get-code {
    background: var(--bsn-coral-grad);
    color: #FFFFFF !important;
    box-shadow: 0 6px 18px rgba(239, 95, 67, 0.32);
}

.bsn-btn-get-code:hover:not(:disabled) {
    background: var(--bsn-coral-grad-hover);
    animation: bsn-vault-pop 0.32s linear 1;
    box-shadow: 0 10px 24px rgba(239, 95, 67, 0.45);
}

.bsn-btn-zalo-code {
    background: #F0F7FF;
    border: 1.5px solid rgba(5, 129, 241, 0.35);
    color: var(--bsn-accent) !important;
}

.bsn-btn-zalo-code:hover {
    background: var(--bsn-accent);
    border-color: var(--bsn-accent);
    color: #FFFFFF !important;
    animation: bsn-vault-pop 0.3s linear 1;
}

.bsn-btn-report {
    background: #FFF4F0;
    border: 1px solid rgba(239, 95, 67, 0.35);
    color: #EF5F43 !important;
}

.bsn-btn-report:hover {
    background: var(--bsn-coral-grad);
    border-color: #EF5F43;
    color: #FFFFFF !important;
    animation: bsn-vault-pop 0.3s linear 1;
}

.bsn-btn-disabled {
    background: #F1F5F9;
    border: 1px solid #CBD5E1;
    color: #94A3B8 !important;
    cursor: not-allowed;
    opacity: 0.75;
}

/* 8. Code Results */
.bsn-code-result-box {
    margin-top: 10px;
}

.bsn-code-card-success {
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    border-radius: 12px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bsn-code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bsn-code-label {
    font-size: 11.5px;
    font-weight: 800;
    color: #059669;
}

.bsn-code-timer {
    font-size: 11.5px;
    font-weight: 700;
    color: #D97706;
}

.bsn-code-display-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #FFFFFF;
    border: 1px solid #A7F3D0;
    padding: 10px 14px;
    border-radius: 10px;
}

.bsn-code-text {
    font-family: 'Courier New', Courier, monospace;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--bsn-text-primary);
    user-select: all;
}

.bsn-btn-copy-code {
    background: var(--bsn-coral-grad);
    color: #FFFFFF;
    border: none;
    border-radius: 30px;
    padding: 7px 16px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(239, 95, 67, 0.3);
    transition: transform 0.25s var(--bsn-ease-spring);
}

.bsn-btn-copy-code:hover {
    animation: bsn-vault-pop 0.3s linear 1;
}

.bsn-code-note {
    font-size: 11.5px;
    color: var(--bsn-text-secondary);
}

.bsn-code-card-expired {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    color: #B45309;
}

.bsn-code-card-notice {
    background: #F0F7FF;
    border: 1px solid #BFDBFE;
    border-radius: 10px;
    padding: 12px 14px;
}

.bsn-notice-title {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--bsn-accent);
    line-height: 1.45;
}

.bsn-code-card-error {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 12.5px;
    font-weight: 600;
    color: #DC2626;
}

/* 9. Spinner Animation */
.bsn-spinner {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    border-top-color: #FFFFFF;
    animation: bsn-spin 0.8s ease-in-out infinite;
    vertical-align: -1px;
    margin-right: 4px;
}

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

/* 10. Modern Toast Notifications (AudioPlus Clean White Card) */
.bsn-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.bsn-toast {
    background: #FFFFFF;
    color: var(--bsn-text-primary);
    border: 1.5px solid var(--bsn-border-glow);
    border-radius: 12px;
    padding: 13px 18px;
    font-size: 13.5px;
    font-weight: 700;
    box-shadow: 0 14px 36px rgba(7, 45, 126, 0.16);
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.28s var(--bsn-ease-spring);
    pointer-events: auto;
    max-width: 360px;
}

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

.bsn-toast-success .bsn-toast-icon {
    color: var(--bsn-success);
    font-size: 16px;
    font-weight: 800;
}

.bsn-toast-error .bsn-toast-icon {
    color: var(--bsn-danger);
    font-size: 16px;
    font-weight: 800;
}

.bsn-toast-info .bsn-toast-icon {
    color: var(--bsn-accent);
    font-size: 16px;
    font-weight: 800;
}

/* ==========================================================================
   RESPONSIVE DESIGN (1024px, 768px, 390px, 360px)
   ========================================================================== */

@media (max-width: 1023px) {
    .bsn-vault-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bsn-filter-selects-wrap {
        grid-template-columns: repeat(2, 1fr);
    }

    .bsn-btn-reset-filters {
        grid-column: span 2;
    }
}

@media (max-width: 767px) {
    .bsn-vault-header {
        padding: 18px 16px;
    }

    .bsn-vault-title-wrap {
        gap: 12px;
    }

    .bsn-vault-icon-badge {
        width: 44px;
        height: 44px;
        font-size: 24px;
    }

    .bsn-vault-title {
        font-size: 18px;
    }

    .bsn-vault-subtitle {
        font-size: 12px;
    }

    .bsn-vault-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .bsn-vault-stat-card {
        padding: 10px 12px;
    }

    .bsn-vault-stat-num {
        font-size: 20px;
    }

    .bsn-vault-stat-label {
        font-size: 10.5px;
    }

    .bsn-steam-cards-grid {
        grid-template-columns: 1fr;
    }

    .bsn-filter-selects-wrap {
        grid-template-columns: 1fr;
    }

    .bsn-btn-reset-filters {
        grid-column: span 1;
    }

    .bsn-search-input,
    .bsn-filter-select {
        font-size: 16px !important;
    }

    .bsn-toast-container {
        left: 16px;
        right: 16px;
        bottom: calc(78px + env(safe-area-inset-bottom, 0px));
    }

    .bsn-toast {
        max-width: 100%;
    }

    .bsn-vault-quick-guide {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px 14px;
    }
}

@media (max-width: 390px) {
    .bsn-steam-card {
        padding: 16px;
    }

    .bsn-card-actions {
        flex-direction: column;
    }

    .bsn-code-display-row {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }

    .bsn-code-text {
        font-size: 20px;
    }

    .bsn-btn-copy-code {
        width: 100%;
        text-align: center;
    }
}

/* ==========================================================================
   11. AAA STEAM VAULT MOTION: CROSSFADE, SVG RING, 3D CODE FLIP & MODALS
   ========================================================================== */

.bsn-cred-value {
    display: inline-block;
    transition: opacity 0.16s cubic-bezier(.22, 1, .36, 1), transform 0.16s cubic-bezier(.22, 1, .36, 1);
}

.bsn-cred-value.is-crossfading {
    opacity: 0;
    transform: translateY(3px);
}

.bsn-cred-value.is-revealed {
    color: #0F172A !important;
    font-weight: 800;
}

.bsn-btn-replace-confirm {
    background: #EFF6FF;
    border: 1px solid rgba(37, 99, 235, 0.32);
    color: #1D4ED8 !important;
}

.bsn-btn-replace-confirm:hover {
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    border-color: #1D4ED8;
    color: #FFFFFF !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
}

/* Circular SVG Countdown Ring for Steam Guard */
.bsn-code-timer {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.bsn-guard-ring-svg {
    transform: rotate(-90deg);
    flex-shrink: 0;
}

.bsn-guard-ring-bg {
    fill: none;
    stroke: rgba(16, 185, 129, 0.18);
    stroke-width: 3.2;
}

.bsn-guard-ring-fg {
    fill: none;
    stroke: #10B981;
    stroke-width: 3.2;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.95s linear, stroke 0.3s ease;
}

@keyframes bsnCodeFlipIn {
    0% {
        opacity: 0;
        transform: perspective(400px) rotateX(-55deg) translateY(6px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: perspective(400px) rotateX(0deg) translateY(0) scale(1);
    }
}

.bsn-code-flip-in {
    display: inline-block;
    animation: bsnCodeFlipIn 0.36s cubic-bezier(.16, 1.15, .3, 1) forwards;
}

.bsn-btn-copy-code.bsn-copy-success {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%) !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3) !important;
}

/* Accessible Modals: Báo Lỗi & Xác Nhận Đổi Acc */
.bsn-vault-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 99998;
    background: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.22s cubic-bezier(.22, 1, .36, 1);
}

.bsn-vault-modal-backdrop.is-open {
    opacity: 1;
}

.bsn-vault-modal-dialog {
    background: #FFFFFF;
    border: 1px solid #CBD5E1;
    border-radius: 16px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.26);
    overflow: hidden;
    transform: translateY(14px) scale(0.96);
    transition: transform 0.26s cubic-bezier(.16, 1.15, .3, 1);
}

.bsn-vault-modal-backdrop.is-open .bsn-vault-modal-dialog {
    transform: translateY(0) scale(1);
}

.bsn-vault-modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 20px 14px;
    border-bottom: 1px solid #E2E8F0;
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

.bsn-vault-modal-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 3px 9px;
    border-radius: 999px;
    margin-bottom: 5px;
}

.bsn-badge-warn {
    background: #FFF4F0;
    color: #EA580C;
    border: 1px solid rgba(234, 88, 12, 0.25);
}

.bsn-badge-blue {
    background: #EFF6FF;
    color: #2563EB;
    border: 1px solid rgba(37, 99, 235, 0.25);
}

.bsn-vault-modal-title {
    margin: 0;
    font-size: 17px;
    font-weight: 800;
    color: #0F172A !important;
}

.bsn-vault-modal-close {
    background: #F1F5F9;
    border: 1px solid #E2E8F0;
    color: #475569;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.18s ease, color 0.18s ease;
}

.bsn-vault-modal-close:hover {
    background: #FEE2E2;
    border-color: #FCA5A5;
    color: #DC2626;
}

.bsn-vault-modal-body {
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 13.5px;
    color: #334155;
}

.bsn-vault-modal-meta {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 13px;
}

.bsn-vault-modal-meta div {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.bsn-vault-modal-label {
    font-size: 12.5px;
    font-weight: 700;
    color: #0F172A;
    margin: 2px 0 -4px;
}

.bsn-vault-modal-select,
.bsn-vault-modal-textarea {
    width: 100%;
    border: 1.5px solid #CBD5E1 !important;
    border-radius: 10px !important;
    padding: 10px 14px !important;
    font-size: 13.5px !important;
    line-height: 1.45 !important;
    color: #0F172A !important;
    background: #FFFFFF !important;
    outline: none;
    margin-bottom: 0 !important;
}

.bsn-vault-modal-select {
    height: 44px !important;
    padding: 0 36px 0 14px !important;
}

.bsn-vault-modal-select:focus,
.bsn-vault-modal-textarea:focus {
    border-color: #2563EB !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14) !important;
}

.bsn-vault-modal-hint {
    font-size: 12px;
    color: #64748B;
    line-height: 1.45;
}

.bsn-vault-confirm-warning {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    border-radius: 10px;
    padding: 12px 14px;
    color: #92400E;
    font-size: 12.5px;
    line-height: 1.5;
}

.bsn-vault-confirm-warning ul {
    margin: 6px 0 0 18px;
    padding: 0;
}

.bsn-vault-confirm-check-wrap {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    background: #F0F9FF;
    border: 1px solid #BAE6FD;
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: #0F172A;
}

.bsn-vault-confirm-check-wrap input[type="checkbox"] {
    margin-top: 2px;
    width: 16px;
    height: 16px;
    accent-color: #2563EB;
}

.bsn-vault-modal-foot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid #E2E8F0;
    background: #F8FAFC;
}

.bsn-vault-btn-secondary,
.bsn-vault-btn-secondary.bsn-vault-modal-close {
    width: auto !important;
    height: 40px !important;
    min-width: 118px;
    background: #FFFFFF !important;
    border: 1px solid #CBD5E1 !important;
    color: #475569 !important;
    border-radius: 999px !important;
    padding: 0 18px !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    line-height: 1 !important;
    white-space: nowrap;
    cursor: pointer;
    margin: 0 !important;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.bsn-vault-btn-secondary:hover,
.bsn-vault-btn-secondary.bsn-vault-modal-close:hover {
    background: #F1F5F9 !important;
    border-color: #94A3B8 !important;
    color: #0F172A !important;
}

.bsn-vault-btn-primary {
    background: linear-gradient(180deg, #FF7D59 0%, #F05232 100%);
    border: none;
    color: #FFFFFF;
    border-radius: 999px;
    padding: 9px 20px;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(240, 82, 50, 0.28);
    transition: transform 0.18s cubic-bezier(.22, 1, .36, 1), opacity 0.18s ease;
}

.bsn-vault-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
}

.bsn-vault-btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
    .bsn-cred-value,
    .bsn-guard-ring-fg,
    .bsn-code-flip-in,
    .bsn-vault-modal-backdrop,
    .bsn-vault-modal-dialog {
        animation: none !important;
        transition: none !important;
    }
}