/* ═══════════════════════════════════════════════
   Куплюшки — Компоненты
   ═══════════════════════════════════════════════ */

/* ─── Кнопки ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: var(--font-family);
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }

.btn-secondary {
    background: var(--bg-section);
    color: var(--text);
    border-color: var(--border);
}
.btn-secondary:hover { background: var(--border-light); }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: var(--font-size-base); }
.btn-icon { width: 36px; height: 36px; padding: 0; }


/* ─── Карточки ─── */
.card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border);
}
.card-clickable:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}
.card-icon.orange { background: #fff3ed; color: #e8590c; }
.card-icon.green { background: #d1fae5; color: #059669; }
.card-icon.blue { background: #dbeafe; color: #2563eb; }
.card-icon.purple { background: #ede9fe; color: #7c3aed; }
.card-icon.pink { background: #fce7f3; color: #db2777; }
.card-icon.teal { background: #ccfbf1; color: #0d9488; }
.card-icon.amber { background: #fef3c7; color: #d97706; }

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text);
}

.card-desc {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-top: var(--spacing-md);
    transition: gap var(--transition);
    text-decoration: none;
}
.card-link:hover { gap: var(--spacing-sm); }


/* ─── Формы ─── */
.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    height: var(--input-height);
    padding: 0 0.875rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    box-sizing: border-box;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}
.form-input.error { border-color: var(--danger); }

.form-textarea { resize: vertical; min-height: 120px; height: auto; padding: 0.625rem 0.875rem; }
textarea.form-input { height: auto; min-height: 140px; padding: 0.625rem 0.875rem; resize: vertical; }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: var(--spacing-xs); }
.form-error { font-size: 0.8rem; color: var(--danger); margin-top: var(--spacing-xs); }

.form-radio-group,
.form-check-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.form-radio,
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
}

/* ─── Toggle buttons (for calculators) ─── */
.toggle-group {
    display: flex;
    background: var(--bg-section);
    border-radius: var(--radius);
    padding: 3px;
    gap: 2px;
    height: var(--input-height);
    box-sizing: border-box;
}

.toggle-btn {
    padding: 0 var(--spacing-lg);
    border: none;
    background: none;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: var(--font-family);
    color: var(--text-muted);
    border-radius: calc(var(--radius) - 2px);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    box-sizing: border-box;
}
.toggle-btn.active {
    background: var(--surface);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* ─── Rate buttons (VAT rates etc.) ─── */
.rate-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.rate-btn {
    padding: 0 var(--spacing-md);
    height: var(--input-height);
    border: 1px solid var(--border);
    background: var(--surface);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: var(--font-family);
    color: var(--text);
    border-radius: var(--radius);
    transition: all var(--transition);
    min-width: 60px;
    text-align: center;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.rate-btn:hover { border-color: var(--primary); color: var(--primary); }
.rate-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}


/* ─── Result block ─── */
.result-block {
    background: var(--primary-light);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.result-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary);
}

.result-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    font-style: italic;
}


/* ─── Tip block ─── */
.tip-block {
    background: var(--info-light);
    border: 1px solid #b6effb;
    border-radius: var(--radius);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: #055160;
}
.tip-block strong { display: block; margin-bottom: var(--spacing-xs); }

[data-theme="dark"] .tip-block {
    background: #0c2d3f;
    border-color: #1a4e6a;
    color: #7dd3fc;
}


/* ─── Page Header ─── */
.page-header {
    padding: var(--spacing-2xl) 0;
}
.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}
.page-subtitle {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
}


/* ─── Section ─── */
.section {
    padding: var(--spacing-xl) 0;
}
.section-bg {
    background: var(--bg-section);
}
.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
.section-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}


/* ─── Grid layouts ─── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }

@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ─── Copy button ─── */
.copy-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    font-family: var(--font-family);
}
.copy-btn:hover { border-color: var(--primary); color: var(--primary); }
.copy-btn.success { border-color: var(--success); color: var(--success); }


/* ─── Badge ─── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2em 0.6em;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: #856404; }
.badge-danger { background: var(--danger-light); color: var(--danger); }


/* ─── Table ─── */
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th, .table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    font-size: var(--font-size-sm);
}
.table th {
    font-weight: 600;
    color: var(--text);
    background: var(--bg-section);
}
.table td { color: var(--text-secondary); }
.table tr:hover td { background: var(--primary-light); }

/* ─── Quill.js Render Classes ─── */
.ql-align-center { text-align: center; }
.ql-align-right { text-align: right; }
.ql-align-justify { text-align: justify; }
.ql-size-small { font-size: 0.75em; }
.ql-size-large { font-size: 1.5em; }
.ql-size-huge { font-size: 2.5em; }


/* ═══════════════════════════════════════════════
   Одометр — счётчик использований инструмента
   ═══════════════════════════════════════════════ */

/* Обёртка заголовка с одометром */
.tool-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
}

/* Одометр */
.odometer {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    background: var(--bg-section);
    border-radius: 8px;
    padding: 6px 10px;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.08));
    flex-shrink: 0;
    position: relative;
    border: 1px solid var(--border);
}

.odometer-digits {
    display: flex;
    gap: 2px;
}

.odometer-digit {
    width: 22px;
    height: 32px;
    overflow: hidden;
    position: relative;
    background: var(--surface);
    border-radius: 4px;
    border: 1px solid var(--border-light);
}

.odometer-drum {
    display: flex;
    flex-direction: column;
    transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.odometer-drum span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 32px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    font-family: 'Courier New', monospace;
}

/* Блик по центру */
.odometer-digit::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-light);
    pointer-events: none;
}

/* Разделитель тысяч */
.odometer-sep {
    width: 4px;
    height: 32px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 4px;
}
.odometer-sep::after {
    content: '';
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text-muted);
}

/* Подпись */
.odometer-label {
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    margin-left: 8px;
    line-height: 1;
    font-weight: 500;
}

/* Анимация flash при инкременте */
@keyframes odometer-flash {
    0% { box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.08)), 0 0 0 0 rgba(232,119,34,0.4); }
    50% { box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.08)), 0 0 16px 3px rgba(232,119,34,0.25); }
    100% { box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.08)), 0 0 0 0 rgba(232,119,34,0); }
}
.odometer.flash {
    animation: odometer-flash 0.6s ease-out;
}

/* ─── Тёмная тема — усиленный контраст ─── */
[data-theme="dark"] .odometer {
    background: #13141f;
    border-color: rgba(255,255,255,0.08);
    box-shadow: 0 2px 12px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.04);
}
[data-theme="dark"] .odometer-digit {
    background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, transparent 20%, transparent 80%, rgba(0,0,0,0.35) 100%);
    border-color: rgba(255,255,255,0.06);
}
[data-theme="dark"] .odometer-drum span {
    color: #e0e0e0;
    text-shadow: 0 0 8px rgba(232,119,34,0.3);
}
[data-theme="dark"] .odometer-digit::after {
    background: rgba(255,255,255,0.05);
}
[data-theme="dark"] .odometer-sep::after {
    background: rgba(255,255,255,0.2);
}
[data-theme="dark"] .odometer-label {
    color: rgba(255,255,255,0.4);
}

/* Адаптив */
@media (max-width: 600px) {
    .tool-header {
        flex-direction: column;
    }
    .odometer {
        align-self: flex-start;
    }
}