/* app/static/css/ui/buttons.css */
/* Кастомные стили для кнопок с использованием CSS переменных */

/* ==================================================================
   1. БАЗОВЫЙ СТИЛЬ КНОПКИ
================================================================== */

.app-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: var(--app-spacing-sm) var(--app-spacing-md);
    font-size: var(--app-font-size-sm);
    line-height: 1;
    border-radius: var(--app-radius-md);
    transition: all var(--app-transition-fast) ease;
    cursor: pointer;
    text-decoration: none;
    gap: var(--app-spacing-sm);
    min-height: 1.5rem;
}

.app-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==================================================================
   2. ЦВЕТОВЫЕ ВАРИАНТЫ КНОПОК
================================================================== */

/* Основной цвет */
.app-btn-primary {
    background-color: var(--app-btn-primary-color);
    border-color: var(--app-btn-primary-color);
    color: white;
}

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

.app-btn-primary:active {
    background-color: var(--app-btn-primary-active);
    border-color: var(--app-btn-primary-active);
}

/* Вторичный цвет */
.app-btn-secondary {
    background-color: var(--app-btn-secondary-color);
    border-color: var(--app-btn-secondary-color);
    color: white;
}

.app-btn-secondary:hover {
    background-color: var(--app-btn-secondary-hover);
    border-color: var(--app-btn-secondary-hover);
}

.app-btn-secondary:active {
    background-color: var(--app-btn-secondary-active);
    border-color: var(--app-btn-secondary-active);
}

/* Успех */
.app-btn-success {
    background-color: var(--app-btn-success-color);
    border-color: var(--app-btn-success-color);
    color: white;
}

.app-btn-success:hover {
    background-color: var(--app-btn-success-hover);
    border-color: var(--app-btn-success-hover);
}

.app-btn-success:active {
    background-color: var(--app-btn-success-active);
    border-color: var(--app-btn-success-active);
}

/* Опасность */
.app-btn-danger {
    background-color: var(--app-btn-danger-color);
    border-color: var(--app-btn-danger-color);
    color: white;
}

.app-btn-danger:hover {
    background-color: var(--app-btn-danger-hover);
    border-color: var(--app-btn-danger-hover);
}

.app-btn-danger:active {
    background-color: var(--app-btn-danger-active);
    border-color: var(--app-btn-danger-active);
}

/* Предупреждение */
.app-btn-warning {
    background-color: var(--app-btn-warning-color);
    border-color: var(--app-btn-warning-color);
    color: var(--app-color-text-primary);
}

.app-btn-warning:hover {
    background-color: var(--app-btn-warning-hover);
    border-color: var(--app-btn-warning-hover);
}

.app-btn-warning:active {
    background-color: var(--app-btn-warning-active);
    border-color: var(--app-btn-warning-active);
}

/* Информация */
.app-btn-info {
    background-color: var(--app-btn-info-color);
    border-color: var(--app-btn-info-color);
    color: white;
}

.app-btn-info:hover {
    background-color: var(--app-btn-info-hover);
    border-color: var(--app-btn-info-hover);
}

.app-btn-info:active {
    background-color: var(--app-btn-info-active);
    border-color: var(--app-btn-info-active);
}

/* Светлый */
.app-btn-light {
    background-color: var(--app-color-bg-tertiary);
    border-color: var(--app-color-border);
    color: var(--app-color-text-primary);
}

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

/* Темный */
.app-btn-dark {
    background-color: var(--app-color-text-primary);
    border-color: var(--app-color-text-primary);
    color: #979797;
}

.app-btn-dark:hover {
    background-color: color-mix(in srgb, var(--app-color-text-primary) 85%, black);
    border-color: color-mix(in srgb, var(--app-color-text-primary) 85%, black);
}

/* ==================================================================
   3. OUTLINE ВАРИАНТЫ (ТОЛЬКО ГРАНИЦА)
================================================================== */

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

.app-btn-outline-primary:hover {
    background-color: var(--app-btn-primary-color);
    color: white;
}

.app-btn-outline-secondary {
    background-color: transparent;
    border-color: var(--app-btn-secondary-color);
    color: var(--app-btn-secondary-color);
}

.app-btn-outline-secondary:hover {
    background-color: var(--app-btn-secondary-color);
    color: white;
}

.app-btn-outline-success {
    background-color: transparent;
    border-color: var(--app-btn-success-color);
    color: var(--app-btn-success-color);
}

.app-btn-outline-success:hover {
    background-color: var(--app-btn-success-color);
    color: white;
}

.app-btn-outline-danger {
    background-color: transparent;
    border-color: var(--app-btn-danger-color);
    color: var(--app-btn-danger-color);
}

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

.app-btn-outline-warning {
    background-color: transparent;
    border-color: var(--app-btn-warning-color);
    color: var(--app-btn-warning-color);
}

.app-btn-outline-warning:hover {
    background-color: var(--app-btn-warning-color);
    color: var(--app-color-text-primary);
}

.app-btn-outline-info {
    background-color: transparent;
    border-color: var(--app-btn-info-color);
    color: var(--app-btn-info-color);
}

.app-btn-outline-info:hover {
    background-color: var(--app-btn-info-color);
    color: white;
}

/* ==================================================================
   4. GHOST КНОПКИ (ПРОЗРАЧНЫЕ)
================================================================== */

.app-btn-ghost-primary {
    background-color: transparent;
    border-color: transparent;
    color: var(--app-btn-primary-color);
}

.app-btn-ghost-primary:hover {
    background-color: color-mix(in srgb, var(--app-btn-primary-color) 10%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-primary-color) 80%, black);
}

.app-btn-ghost-primary:active,
.app-btn-ghost-primary:focus {
    background-color: color-mix(in srgb, var(--app-btn-primary-color) 15%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-primary-color) 70%, black);
    outline: none;
    box-shadow: none;
}

.app-btn-ghost-secondary {
    background-color: transparent;
    border-color: transparent;
    color: var(--app-btn-secondary-color);
}

.app-btn-ghost-secondary:hover {
    background-color: color-mix(in srgb, var(--app-btn-secondary-color) 10%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-secondary-color) 80%, black);
}

.app-btn-ghost-secondary:active,
.app-btn-ghost-secondary:focus {
    background-color: color-mix(in srgb, var(--app-btn-secondary-color) 15%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-secondary-color) 70%, black);
    outline: none;
    box-shadow: none;
}

.app-btn-ghost-success {
    background-color: transparent;
    border-color: transparent;
    color: var(--app-btn-success-color);
}

.app-btn-ghost-success:hover {
    background-color: color-mix(in srgb, var(--app-btn-success-color) 10%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-success-color) 80%, black);
}

.app-btn-ghost-success:active,
.app-btn-ghost-success:focus {
    background-color: color-mix(in srgb, var(--app-btn-success-color) 15%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-success-color) 70%, black);
    outline: none;
    box-shadow: none;
}

.app-btn-ghost-danger {
    background-color: transparent;
    border-color: transparent;
    color: var(--app-btn-danger-color);
}

.app-btn-ghost-danger:hover {
    background-color: color-mix(in srgb, var(--app-btn-danger-color) 10%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-danger-color) 80%, black);
}

.app-btn-ghost-danger:active,
.app-btn-ghost-danger:focus {
    background-color: color-mix(in srgb, var(--app-btn-danger-color) 15%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-danger-color) 70%, black);
    outline: none;
    box-shadow: none;
}

.app-btn-ghost-warning {
    background-color: transparent;
    border-color: transparent;
    color: var(--app-btn-warning-color);
}

.app-btn-ghost-warning:hover {
    background-color: color-mix(in srgb, var(--app-btn-warning-color) 10%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-warning-color) 80%, black);
}

.app-btn-ghost-warning:active,
.app-btn-ghost-warning:focus {
    background-color: color-mix(in srgb, var(--app-btn-warning-color) 15%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-warning-color) 70%, black);
    outline: none;
    box-shadow: none;
}

.app-btn-ghost-info {
    background-color: transparent;
    border-color: transparent;
    color: var(--app-btn-info-color);
}

.app-btn-ghost-info:hover {
    background-color: color-mix(in srgb, var(--app-btn-info-color) 10%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-info-color) 80%, black);
}

.app-btn-ghost-info:active,
.app-btn-ghost-info:focus {
    background-color: color-mix(in srgb, var(--app-btn-info-color) 15%, transparent);
    border-color: transparent;
    color: color-mix(in srgb, var(--app-btn-info-color) 70%, black);
    outline: none;
    box-shadow: none;
}

/* ==================================================================
   5. РАЗМЕРЫ КНОПОК
================================================================== */

.app-btn-xs {
    padding: var(--app-spacing-xs) var(--app-spacing-sm);
    font-size: var(--app-font-size-xs);
    min-height: 1.75rem;
    gap: var(--app-spacing-xs);
}

.app-btn-sm {
    padding: var(--app-spacing-xs) var(--app-spacing-sm);
    font-size: var(--app-font-size-sm);
    min-height: 2rem;
}

.app-btn-lg {
    padding: var(--app-spacing-md) var(--app-spacing-lg);
    font-size: var(--app-font-size-base);
    min-height: 3rem;
}

.app-btn-xl {
    padding: var(--app-spacing-lg) var(--app-spacing-xl);
    font-size: var(--app-font-size-lg);
    min-height: 3.5rem;
}

/* ==================================================================
   6. ФОРМЫ СКРУГЛЕНИЯ
================================================================== */

/* Стандартное скругление (как сейчас) */
.app-btn-rounded {
    border-radius: var(--app-radius-md);
}

/* Промежуточное скругление */
.app-btn-rounded-medium {
    border-radius: var(--app-radius-lg);
}

/* Полное скругление (pill) */
.app-btn-rounded-full {
    border-radius: var(--app-radius-full);
    padding-left: var(--app-spacing-lg);
    padding-right: var(--app-spacing-lg);
}

/* ==================================================================
   7. КНОПКИ С ИКОНКАМИ
================================================================== */

.app-btn .app-btn-icon {
    font-size: 1.1em;
    line-height: 1;
    display: inline-flex;
    align-items: center;
}

/* Кнопка только с иконкой */
.app-btn-icon-only {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    min-height: auto;
    border-radius: var(--app-radius-md);
}

.app-btn-icon-only.app-btn-xs {
    width: 1.75rem;
    height: 1.75rem;
}

.app-btn-icon-only.app-btn-sm {
    width: 2rem;
    height: 2rem;
}

.app-btn-icon-only.app-btn-lg {
    width: 3rem;
    height: 3rem;
}

.app-btn-icon-only.app-btn-xl {
    width: 3.5rem;
    height: 3.5rem;
}

/* ==================================================================
   8. ЭФФЕКТЫ И СОСТОЯНИЯ
================================================================== */

/* Кнопка с тенью */
.app-btn-shadow {
    box-shadow: var(--app-shadow-sm);
    transition: all var(--app-transition-normal) ease;
}

.app-btn-shadow:hover {
    box-shadow: var(--app-shadow-md);
    transform: translateY(-1px);
}

.app-btn-shadow:active {
    box-shadow: var(--app-shadow-sm);
    transform: translateY(0);
}

/* Кнопка в состоянии загрузки */
.app-btn-loading {
    position: relative;
    color: transparent;
    pointer-events: none;
    opacity: 1;
}

.app-btn-loading::after {
    content: "";
    position: absolute;
    width: 1.2rem;
    height: 1.2rem;
    top: 50%;
    left: 50%;
    margin-top: -0.6rem;
    margin-left: -0.6rem;
    border: 2px solid white;
    border-top-color: transparent;
    border-right-color: transparent;
    border-radius: 50%;
    animation: app-btn-spinner 0.8s linear infinite;
}

@keyframes app-btn-spinner {
    to { transform: rotate(360deg); }
}

/* Цветовые варианты для спиннера - базовые кнопки */
.app-btn-primary.app-btn-loading::after,
.app-btn-success.app-btn-loading::after,
.app-btn-danger.app-btn-loading::after,
.app-btn-warning.app-btn-loading::after,
.app-btn-info.app-btn-loading::after,
.app-btn-secondary.app-btn-loading::after {
    border: 2px solid white;
    border-top-color: transparent;
    border-right-color: transparent;
}

/* Outline варианты - используют цвет кнопки */
.app-btn-outline-primary.app-btn-loading::after {
    border: 2px solid var(--app-btn-primary-color);
    border-top-color: transparent;
    border-right-color: transparent;
}

.app-btn-outline-success.app-btn-loading::after {
    border: 2px solid var(--app-btn-success-color);
    border-top-color: transparent;
    border-right-color: transparent;
}

.app-btn-outline-danger.app-btn-loading::after {
    border: 2px solid var(--app-btn-danger-color);
    border-top-color: transparent;
    border-right-color: transparent;
}

.app-btn-outline-warning.app-btn-loading::after {
    border: 2px solid var(--app-btn-warning-color);
    border-top-color: transparent;
    border-right-color: transparent;
}

.app-btn-outline-info.app-btn-loading::after {
    border: 2px solid var(--app-btn-info-color);
    border-top-color: transparent;
    border-right-color: transparent;
}

.app-btn-outline-secondary.app-btn-loading::after {
    border: 2px solid var(--app-btn-secondary-color);
    border-top-color: transparent;
    border-right-color: transparent;
}

/* Ghost варианты - наследуют цвет текста */
.app-btn-ghost-primary.app-btn-loading::after,
.app-btn-ghost-success.app-btn-loading::after,
.app-btn-ghost-danger.app-btn-loading::after,
.app-btn-ghost-warning.app-btn-loading::after,
.app-btn-ghost-info.app-btn-loading::after,
.app-btn-ghost-secondary.app-btn-loading::after {
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-right-color: transparent;
}

/* Темная тема - для outline вариантов */
[data-theme="dark"] .app-btn-outline-primary.app-btn-loading::after,
[data-theme="dark"] .app-btn-outline-success.app-btn-loading::after,
[data-theme="dark"] .app-btn-outline-danger.app-btn-loading::after,
[data-theme="dark"] .app-btn-outline-warning.app-btn-loading::after,
[data-theme="dark"] .app-btn-outline-info.app-btn-loading::after,
[data-theme="dark"] .app-btn-outline-secondary.app-btn-loading::after {
    border-color: currentColor;
    border-top-color: transparent;
    border-right-color: transparent;
}


/* ==================================================================
   9. ГРАДИЕНТНЫЕ КНОПКИ
================================================================== */

.app-btn-gradient-primary {
    background: linear-gradient(135deg, var(--app-btn-primary-color), var(--app-btn-primary-hover));
    border: none;
    color: white;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.app-btn-gradient-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--app-btn-primary-hover), var(--app-btn-primary-active));
    opacity: 0;
    transition: opacity var(--app-transition-normal) ease;
    z-index: -1;
}

.app-btn-gradient-primary:hover::before {
    opacity: 1;
}

.app-btn-gradient-success {
    background: linear-gradient(135deg, var(--app-btn-success-color), var(--app-btn-success-hover));
    border: none;
    color: white;
}

.app-btn-gradient-success:hover {
    background: linear-gradient(135deg, var(--app-btn-success-hover), var(--app-btn-success-active));
}

.app-btn-gradient-danger {
    background: linear-gradient(135deg, var(--app-btn-danger-color), var(--app-btn-danger-hover));
    border: none;
    color: white;
}

.app-btn-gradient-danger:hover {
    background: linear-gradient(135deg, var(--app-btn-danger-hover), var(--app-btn-danger-active));
}

/* ==================================================================
   10. ГРУППЫ КНОПОК
================================================================== */

.app-btn-group {
    display: inline-flex;
    gap: 0;
}

.app-btn-group .app-btn {
    border-radius: 0;
    margin-left: -1px;
}

.app-btn-group .app-btn:first-child {
    border-top-left-radius: var(--app-radius-md);
    border-bottom-left-radius: var(--app-radius-md);
    margin-left: 0;
}

.app-btn-group .app-btn:last-child {
    border-top-right-radius: var(--app-radius-md);
    border-bottom-right-radius: var(--app-radius-md);
}

.app-btn-group .app-btn:focus {
    position: relative;
    z-index: 1;
}

/* Вертикальная группа */
.app-btn-group-vertical {
    display: inline-flex;
    flex-direction: column;
    gap: 0;
}

.app-btn-group-vertical .app-btn {
    border-radius: 0;
    margin-top: -1px;
}

.app-btn-group-vertical .app-btn:first-child {
    border-top-left-radius: var(--app-radius-md);
    border-top-right-radius: var(--app-radius-md);
    margin-top: 0;
}

.app-btn-group-vertical .app-btn:last-child {
    border-bottom-left-radius: var(--app-radius-md);
    border-bottom-right-radius: var(--app-radius-md);
}

/* ==================================================================
   11. АДАПТИВНОСТЬ
================================================================== */

@media (max-width: 576px) {
    .app-btn-xl {
        padding: var(--app-spacing-md) var(--app-spacing-lg);
        font-size: var(--app-font-size-base);
        min-height: 3rem;
    }

    .app-btn-icon-only.app-btn-lg {
        width: 2.5rem;
        height: 2.5rem;
    }

    .app-btn-icon-only.app-btn-xl {
        width: 3rem;
        height: 3rem;
    }

    .app-btn-group {
        flex-wrap: wrap;
    }

    .app-btn-group .app-btn {
        flex: 1 1 auto;
        min-width: 100px;
        margin-bottom: var(--app-spacing-xs);
    }

    .app-btn-group .app-btn:first-child,
    .app-btn-group .app-btn:last-child {
        border-radius: var(--app-radius-md);
    }
}

/* ==================================================================
   12. ТЕМНАЯ ТЕМА
================================================================== */

[data-theme="dark"] .app-btn-light {
    background-color: var(--app-color-bg-tertiary);
    border-color: var(--app-color-border);
    color: var(--app-color-text-primary);
}

[data-theme="dark"] .app-btn-light:hover {
    background-color: var(--app-color-bg-secondary);
}

[data-theme="dark"] .app-btn-outline-primary:hover,
[data-theme="dark"] .app-btn-outline-secondary:hover,
[data-theme="dark"] .app-btn-outline-success:hover,
[data-theme="dark"] .app-btn-outline-danger:hover,
[data-theme="dark"] .app-btn-outline-info:hover {
    color: white;
}