/* ========================================================== */
/* КНОПКИ                                                    */
/* ========================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn-primary:active:not(:disabled) {
    transform: scale(0.98);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: #f7f8fa;
    border-color: var(--color-primary);
}

.btn-danger {
    background: #dc3545;
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background: #c82333;
}

.btn-ghost {
    background: transparent;
    color: var(--color-primary);
    padding: 6px 12px;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-primary-light);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-icon {
    padding: 6px;
    min-width: 32px;
    min-height: 32px;
}

/* ========================================================== */
/* ФОРМА                                                     */
/* ========================================================== */

.form-section {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.form-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.form-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.form-row {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    flex: 1;
    min-width: 150px;
    position: relative;
}

.form-group--full {
    flex-basis: 100%;
}

.form-group--short {
    flex: 0 0 90px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-group label .required {
    color: #dc3545;
    margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    height: 38px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group textarea {
    height: auto;
    min-height: 80px;
    padding: 10px 12px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: var(--shadow-focus);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background: #f5f5f5;
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.form-group input.field-error,
.form-group select.field-error,
.form-group textarea.field-error {
    border-color: #dc3545;
    box-shadow: var(--shadow-focus-error);
}

.field-required-warning {
    color: #c0392b;
    font-size: 0.875rem;
    margin: 0.25rem 0 0.5rem;
}

.field-error-message {
    display: block;
    color: #dc3545;
    font-size: 12px;
    margin-top: var(--space-xs);
    font-weight: 500;
}

.field-hint {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: #f8f9fa;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
    line-height: 1.4;
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
    font-size: 14px;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

/* ========================================================== */
/* КАРТОЧКИ                                                  */
/* ========================================================== */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.card--clickable {
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.card--clickable:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.card--selected {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.card__title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.card__subtitle {
    font-size: 13px;
    color: var(--color-text-muted);
}

.card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-sm);
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ========================================================== */
/* АЛЕРТЫ                                                    */
/* ========================================================== */

.alerts {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.4;
    border: 1px solid;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.2s ease-out;
}

.alert--success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success-border);
}

.alert--error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error-border);
}

.alert--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: var(--color-warning-border);
}

.alert--info {
    background: var(--color-info-bg);
    color: var(--color-info);
    border-color: var(--color-info-border);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================================== */
/* СПИННЕР                                                   */
/* ========================================================== */

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ========================================================== */
/* БЕЙДЖИ                                                    */
/* ========================================================== */

.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
    background: #e9ecef;
    color: var(--color-text-muted);
}

.badge--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge--primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.badge--success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

/* ========================================================== */
/* БЕЙДЖ КВОТЫ                                               */
/* ========================================================== */

.quota-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    white-space: nowrap;
}

.quota-badge--unlimited {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.quota-badge--low {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.quota-badge--empty {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.quota-badge--loading {
    background: #e9ecef;
    color: var(--color-text-muted);
}

.quota-badge--error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.quota-badge-slot {
    display: inline-flex;
    align-items: center;
}

.form-section.field-error {
    border-left: 3px solid #dc3545;
    padding-left: var(--space-md);
    margin-left: calc(-1 * var(--space-md));
}
/* ==========================================================
   DASHBOARD (главная страница)
   ========================================================== */

.dashboard {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

.dashboard > h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

.dashboard__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.dashboard-card {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.dashboard-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.dashboard-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 var(--space-sm) 0;
}

.dashboard-card p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.4;
}

@media (max-width: 600px) {
    .dashboard__grid {
        grid-template-columns: 1fr;
    }
}

.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 500px;
    margin: var(--space-xl) auto;
}

.empty-state h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 var(--space-md) 0;
    color: var(--color-text);
}

.empty-state p {
    margin: 0;
}