/* =============================================
   CVM Mini App - Adaptive Telegram Theme
   ============================================= */

:root {
    /* Fallback colors (будут перезаписаны Telegram SDK) */
    --tg-theme-bg-color: #1a1a2e;
    --tg-theme-text-color: #ffffff;
    --tg-theme-hint-color: #8e8e93;
    --tg-theme-link-color: #5b9bd5;
    --tg-theme-button-color: #5b9bd5;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #16213e;
    --tg-theme-header-bg-color: #0f3460;
    --tg-theme-accent-text-color: #5b9bd5;
    --tg-theme-section-bg-color: #1a1a2e;
    --tg-theme-section-header-text-color: #8e8e93;
    --tg-theme-subtitle-text-color: #8e8e93;
    --tg-theme-destructive-text-color: #ff6b6b;

    /* App-specific */
    --card-radius: 14px;
    --gap: 12px;
    --nav-height: 62px;
    --transition: 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    min-height: 100vh;
    padding-bottom: calc(var(--nav-height) + 16px);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* =============================================
   Bottom Navigation
   ============================================= */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--tg-theme-secondary-bg-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding-bottom: env(safe-area-inset-bottom, 0);
    border-top: 1px solid rgba(255,255,255,0.06);
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: none;
    border: none;
    color: var(--tg-theme-hint-color);
    font-size: 10px;
    padding: 6px 12px;
    cursor: pointer;
    transition: color var(--transition);
    position: relative;
}

.nav-btn .nav-icon {
    font-size: 22px;
    line-height: 1;
}

.nav-btn .nav-label {
    font-weight: 500;
}

.nav-btn.active {
    color: var(--tg-theme-button-color);
}

.nav-btn.active::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--tg-theme-button-color);
    border-radius: 0 0 3px 3px;
}

/* =============================================
   Pages
   ============================================= */
.page {
    display: none;
    padding: 16px;
    animation: fadeIn 0.25s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    margin-bottom: 20px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.subtitle {
    color: var(--tg-theme-hint-color);
    font-size: 14px;
}

/* =============================================
   Cards
   ============================================= */
.card {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--card-radius);
    padding: 16px;
    margin-bottom: var(--gap);
}

.card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--tg-theme-section-header-text-color);
}

/* Chart container — фиксированная высота */
.chart-container {
    position: relative;
    width: 100%;
    height: 200px;
    max-height: 200px;
    overflow: hidden;
}

.chart-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

/* =============================================
   Stats Cards
   ============================================= */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
    margin-bottom: var(--gap);
}

.stat-card {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--card-radius);
    padding: 14px 10px;
    text-align: center;
}

.stat-card.accent {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.stat-card.accent .stat-label {
    color: var(--tg-theme-button-text-color);
    opacity: 0.8;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    word-break: break-all;
}

.stat-label {
    font-size: 11px;
    color: var(--tg-theme-hint-color);
    margin-top: 4px;
    font-weight: 500;
}

/* =============================================
   Form Elements
   ============================================= */
.form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-inline {
    flex-direction: row;
    gap: 8px;
    align-items: flex-end;
}

.form-inline input {
    flex: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--tg-theme-hint-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
}

input[type="text"],
input[type="number"],
select,
textarea {
    background: var(--tg-theme-secondary-bg-color);
    border: 1.5px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 16px;
    color: var(--tg-theme-text-color);
    outline: none;
    transition: border-color var(--transition);
    width: 100%;
}

input:focus {
    border-color: var(--tg-theme-button-color);
}

input::placeholder {
    color: var(--tg-theme-hint-color);
    opacity: 0.6;
}

/* =============================================
   Chips (Role selection)
   ============================================= */
.role-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1.5px solid rgba(255,255,255,0.1);
    background: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.chip.active {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border-color: var(--tg-theme-button-color);
}

/* =============================================
   Toggle Group (Payment type)
   ============================================= */
.toggle-group {
    display: flex;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 10px;
    overflow: hidden;
    border: 1.5px solid rgba(255,255,255,0.08);
}

.toggle-btn {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    color: var(--tg-theme-hint-color);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.toggle-btn.active {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

/* =============================================
   Dropdown
   ============================================= */
.dropdown {
    background: var(--tg-theme-secondary-bg-color);
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    max-height: 200px;
    overflow-y: auto;
    position: relative;
    z-index: 10;
}

.dropdown-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 14px;
    transition: background var(--transition);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover,
.dropdown-item:active {
    background: rgba(255,255,255,0.06);
}

.selected-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
}

.selected-tag .remove-tag {
    cursor: pointer;
    opacity: 0.7;
    font-size: 16px;
}

/* =============================================
   Buttons
   ============================================= */
.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.btn-primary:active {
    opacity: 0.8;
    transform: scale(0.98);
}

.btn-danger {
    background: var(--tg-theme-destructive-text-color);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--tg-theme-button-color);
    border: 1.5px solid var(--tg-theme-button-color);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 8px;
}

.btn-block {
    width: 100%;
}

/* =============================================
   Form Total
   ============================================= */
.form-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--card-radius);
    font-weight: 600;
    font-size: 16px;
}

.form-total #total-amount {
    color: var(--tg-theme-button-color);
    font-size: 20px;
}

/* =============================================
   Works List
   ============================================= */
.works-list {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

.work-item {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--card-radius);
    padding: 14px;
    position: relative;
}

.work-item .work-title {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 6px;
    padding-right: 60px;
}

.work-item .work-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

.work-item .work-meta span {
    display: flex;
    align-items: center;
    gap: 3px;
}

.work-item .work-amount {
    position: absolute;
    top: 14px;
    right: 14px;
    font-weight: 700;
    font-size: 15px;
    color: var(--tg-theme-button-color);
}

.work-item .work-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* =============================================
   List items (generic)
   ============================================= */
.list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 10px;
    margin-bottom: 4px;
}

.list-item .list-label {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.list-item .list-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--tg-theme-button-color);
    white-space: nowrap;
    margin-left: 8px;
}

.list-item .list-actions {
    display: flex;
    gap: 6px;
    margin-left: 8px;
}

/* =============================================
   Tabs
   ============================================= */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 10px;
    padding: 4px;
}

.tab {
    flex: 1;
    padding: 8px;
    border: none;
    background: transparent;
    color: var(--tg-theme-hint-color);
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition);
}

.tab.active {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* =============================================
   Pagination
   ============================================= */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.pagination .page-btn {
    padding: 8px 14px;
    border-radius: 8px;
    border: none;
    background: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 13px;
    cursor: pointer;
}

.pagination .page-btn.active {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

/* =============================================
   Empty State
   ============================================= */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--tg-theme-hint-color);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-state p {
    margin-bottom: 16px;
    font-size: 15px;
}

/* =============================================
   Toast
   ============================================= */
.toast {
    position: fixed;
    bottom: calc(var(--nav-height) + 20px);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--tg-theme-text-color);
    color: var(--tg-theme-bg-color);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    z-index: 200;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    white-space: nowrap;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.error {
    background: var(--tg-theme-destructive-text-color);
    color: #fff;
}

/* =============================================
   Loading
   ============================================= */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 300;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.2);
    border-top-color: var(--tg-theme-button-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* =============================================
   Helpers
   ============================================= */
.hidden {
    display: none !important;
}

.text-hint {
    color: var(--tg-theme-hint-color);
    font-size: 12px;
}

.text-accent {
    color: var(--tg-theme-button-color);
}

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

/* =============================================
   Scrollbar
   ============================================= */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

/* =============================================
   Admin specific
   ============================================= */
.admin-user-item {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--card-radius);
    padding: 12px 14px;
    margin-bottom: 8px;
}

.admin-user-item .user-name {
    font-weight: 600;
    font-size: 14px;
}

.admin-user-item .user-meta {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    margin-top: 4px;
    display: flex;
    gap: 12px;
}

.admin-user-item .user-amount {
    color: var(--tg-theme-button-color);
    font-weight: 600;
}

/* Confirm dialog */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 250;
    animation: fadeIn 0.15s ease;
}

.confirm-dialog {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: 16px;
    padding: 24px;
    max-width: 300px;
    width: 90%;
    text-align: center;
}

.confirm-dialog h3 {
    margin-bottom: 8px;
    font-size: 17px;
}

.confirm-dialog p {
    color: var(--tg-theme-hint-color);
    font-size: 14px;
    margin-bottom: 20px;
}

.confirm-dialog .confirm-actions {
    display: flex;
    gap: 8px;
}

.confirm-dialog .confirm-actions .btn {
    flex: 1;
}