:root {
    --color-bg: var(--tg-theme-bg-color, #ffffff);
    --color-text: var(--tg-theme-text-color, #000000);
    --color-hint: var(--tg-theme-hint-color, #8e8e93);
    --color-card-bg: var(--tg-theme-secondary-bg-color, #f2f2f7);
    --color-accent: var(--tg-theme-button-color, #007aff);
    --color-accent-text: var(--tg-theme-button-text-color, #ffffff);
    --color-danger: #ff3b30;
    --color-success: #34c759;
    --color-exhausted: #c7c7cc;
    --radius-card: 12px;
    --radius-btn: 8px;
    --spacing: 16px;
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    overscroll-behavior: none;
    -webkit-overflow-scrolling: touch;
}

#app {
    padding-top: calc(var(--tg-content-safe-area-inset-top, 0px) + var(--tg-safe-area-inset-top, 0px) + 16px);
    min-height: 100vh;
}

/* Access Denied Screen */
.access-denied-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--color-bg);
}

.access-denied {
    text-align: center;
    padding: var(--spacing);
    max-width: 400px;
}

.access-denied h1 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-danger);
}

.access-denied p {
    font-size: 16px;
    color: var(--color-hint);
    margin-bottom: 12px;
    line-height: 1.5;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: 80px;
}

.header {
    padding: var(--spacing);
    text-align: center;
    border-bottom: 1px solid var(--color-card-bg);
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
}

/* Game Tabs */
.game-tabs {
    display: flex;
    gap: 8px;
    padding: var(--spacing);
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-card-bg);
}

.game-tab {
    flex: 1;
    padding: 12px 16px;
    background-color: var(--color-card-bg);
    border: none;
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s ease;
}

.game-tab.active {
    background-color: var(--color-accent);
    color: var(--color-accent-text);
}

.game-tab:hover {
    opacity: 0.8;
}

/* Filters */
.filters {
    display: flex;
    gap: 12px;
    padding: var(--spacing);
    background-color: var(--color-bg);
}

.filter-select {
    flex: 1;
    padding: 12px;
    background-color: var(--color-card-bg);
    border: none;
    border-radius: var(--radius-btn);
    font-size: 14px;
    color: var(--color-text);
}

.search-input {
    flex: 2;
    padding: 12px;
    background-color: var(--color-card-bg);
    border: none;
    border-radius: var(--radius-btn);
    font-size: 14px;
    color: var(--color-text);
}

.search-input::placeholder {
    color: var(--color-hint);
}

/* Code List */
.code-list {
    flex: 1;
    padding: var(--spacing);
    overflow-y: auto;
}

.code-card {
    background-color: var(--color-card-bg);
    border-radius: var(--radius-card);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: all 0.2s ease;
}

.code-card:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.code-card.exhausted {
    background-color: rgba(199, 199, 204, 0.2);
    opacity: 0.6;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.code-key {
    font-family: monospace;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.code-key:active {
    opacity: 0.6;
}

.code-key.copied {
    color: var(--color-success);
}

.type-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    background-color: var(--color-accent);
    color: var(--color-accent-text);
}

/* Type-specific badge colors */
.badge-inApp {
    background-color: #007aff;
    color: #ffffff;
}

.badge-currency {
    background-color: #34c759;
    color: #ffffff;
}

.badge-skinbundle {
    background-color: #af52de;
    color: #ffffff;
}

.badge-character {
    background-color: #ff9500;
    color: #ffffff;
}

.badge-level {
    background-color: #ff3b30;
    color: #ffffff;
}

.badge-chips {
    background-color: #5856d6;
    color: #ffffff;
}

.badge-cores {
    background-color: #ff2d55;
    color: #ffffff;
}

.badge-pumpkin {
    background-color: #ff6600;
    color: #ffffff;
}

.badge-eventloot {
    background-color: #ffcc00;
    color: #000000;
}

.badge-accessories {
    background-color: #8e8e93;
    color: #ffffff;
}

.code-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-hint);
    font-size: 14px;
}

.activations {
    font-weight: 500;
}

.code-actions {
    margin-top: 12px;
    display: flex;
    gap: 8px;
}

.btn-reset {
    padding: 6px 12px;
    background-color: var(--color-accent);
    color: var(--color-accent-text);
    border: none;
    border-radius: var(--radius-btn);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
}

.reset-confirmation {
    margin-top: 12px;
    padding: 12px;
    background-color: rgba(255, 59, 48, 0.1);
    border-radius: var(--radius-btn);
    border: 1px solid var(--color-danger);
}

.reset-confirmation-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-danger);
    margin-bottom: 8px;
}

.reset-confirmation-buttons {
    display: flex;
    gap: 8px;
}

.btn-confirm-yes,
.btn-confirm-cancel {
    flex: 1;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-btn);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-confirm-yes {
    background-color: var(--color-danger);
    color: white;
}

.btn-confirm-cancel {
    background-color: var(--color-card-bg);
    color: var(--color-text);
}

.btn-confirm-yes:hover,
.btn-confirm-cancel:hover {
    opacity: 0.8;
}

.delete-confirmation {
    margin-top: 16px;
    padding: 16px;
    background-color: rgba(255, 59, 48, 0.1);
    border-radius: var(--radius-btn);
    border: 1px solid var(--color-danger);
}

.delete-confirmation-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-danger);
    margin-bottom: 12px;
    text-align: center;
}

.delete-confirmation-buttons {
    display: flex;
    gap: 8px;
}

/* FAB (Floating Action Button) */
.fab {
    position: fixed;
    bottom: calc(var(--spacing) * 2);
    right: var(--spacing);
    width: 56px;
    height: 56px;
    background-color: var(--color-accent);
    color: var(--color-accent-text);
    border: none;
    border-radius: 50%;
    font-size: 32px;
    font-weight: 300;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.2s ease;
}

.fab:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* Backdrop Overlay */
.backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 999;
    -webkit-tap-highlight-color: transparent;
}

.backdrop.open {
    display: block;
}

/* Bottom Sheet */
.bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-radius: 16px 16px 0 0;
    padding: 24px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
    max-height: 80vh;
    overflow-y: auto;
}

.bottom-sheet.open {
    transform: translateY(0);
}

.bottom-sheet-content h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Code Key Row (input + random button) */
.code-key-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.code-key-row input {
    flex: 1;
}

.btn-random {
    width: 48px;
    height: 48px;
    padding: 0;
    background-color: var(--color-card-bg);
    border: none;
    border-radius: var(--radius-btn);
    font-size: 22px;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.btn-random:hover {
    opacity: 0.7;
}

/* Form */
#codeForm {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#codeForm input,
#codeForm select {
    padding: 14px;
    background-color: var(--color-card-bg);
    border: none;
    border-radius: var(--radius-btn);
    font-size: 16px;
    color: var(--color-text);
}

#codeForm input::placeholder {
    color: var(--color-hint);
}

.form-buttons {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.btn-primary,
.btn-secondary,
.btn-danger {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: var(--radius-btn);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-accent-text);
}

.btn-secondary {
    background-color: var(--color-card-bg);
    color: var(--color-text);
}

.btn-danger {
    background-color: var(--color-danger);
    color: white;
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-danger:hover {
    opacity: 0.8;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-hint);
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* Delete All Codes */
.delete-all-container {
    padding: 0 var(--spacing) var(--spacing);
}

.btn-delete-all {
    width: 100%;
    padding: 14px;
    background-color: transparent;
    color: var(--color-danger);
    border: 1.5px solid var(--color-danger);
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-delete-all:hover {
    background-color: rgba(255, 59, 48, 0.1);
}

.delete-all-confirmation {
    margin: 0 var(--spacing) var(--spacing);
    padding: 16px;
    background-color: rgba(255, 59, 48, 0.08);
    border-radius: var(--radius-card);
    border: 1.5px solid var(--color-danger);
}

.delete-all-confirmation-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-danger);
    margin-bottom: 12px;
    text-align: center;
    line-height: 1.4;
}

.delete-all-confirmation-buttons {
    display: flex;
    gap: 8px;
}

.btn-delete-all-yes,
.btn-delete-all-cancel {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-delete-all-yes {
    background-color: var(--color-danger);
    color: white;
}

.btn-delete-all-cancel {
    background-color: var(--color-card-bg);
    color: var(--color-text);
}

.btn-delete-all-yes:hover,
.btn-delete-all-cancel:hover {
    opacity: 0.8;
}