/**
 * ============================================================
 * COMPONENTS.CSS – ŠTÝLY PRE KOMPONENTY
 * ============================================================
 * Globálne štýly pre opakovane použiteľné komponenty
 * 
 * @version 1.0.0
 * @author EasyWay Team
 * @license MIT
 * ============================================================
 */

/* ============================================================
 * KARTY (CARDS)
 * ============================================================ */

.card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card--clickable {
    cursor: pointer;
}

.card--clickable:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-3);
    border-bottom: 1px solid var(--color-border);
}

.card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

.card__body {
    flex: 1;
}

.card__footer {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--color-border);
}

/* ============================================================
 * BADGE
 * ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-3);
    height: 24px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: #ffffff;
    background: var(--color-neutral-500);
    white-space: nowrap;
}

.badge--primary {
    background: var(--color-primary-500);
}

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

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

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

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

.badge--outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

/* ============================================================
 * MODÁLY
 * ============================================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-index-modal);
    padding: var(--spacing-4);
    animation: modal-overlay-in 0.2s ease;
}

@keyframes modal-overlay-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    background: var(--color-bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: modal-in 0.2s ease;
    overflow: hidden;
}

@keyframes modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

.modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    font-size: 24px;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-base);
}

.modal__close:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.modal__body {
    padding: var(--spacing-6);
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

.modal__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--color-border);
}

/* ============================================================
 * TOAST / NOTIFIKÁCIE
 * ============================================================ */

.toast {
    position: fixed;
    bottom: var(--spacing-8);
    right: var(--spacing-8);
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-index-toast);
    max-width: 480px;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    animation: toast-in 0.3s ease;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toast--success {
    border-left: 4px solid var(--color-success);
}

.toast--error {
    border-left: 4px solid var(--color-error);
}

.toast--warning {
    border-left: 4px solid var(--color-warning);
}

.toast--info {
    border-left: 4px solid var(--color-info);
}

.toast__icon {
    font-size: 24px;
    flex-shrink: 0;
}

.toast__content {
    flex: 1;
}

.toast__title {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.toast__message {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.toast__close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: var(--spacing-1);
}

.toast__close:hover {
    color: var(--color-text-primary);
}

/* ============================================================
 * TABS
 * ============================================================ */

.tabs {
    display: flex;
    gap: var(--spacing-1);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-4);
}

.tabs__button {
    padding: var(--spacing-3) var(--spacing-4);
    border: none;
    background: none;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.tabs__button:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
}

.tabs__button--active {
    color: var(--color-primary-500);
    border-bottom-color: var(--color-primary-500);
}

/* ============================================================
 * SPINNER
 * ============================================================ */

.spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary-500);
    border-radius: 50%;
    animation: spinner-spin 0.8s linear infinite;
}

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

.spinner--sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner--lg {
    width: 48px;
    height: 48px;
    border-width: 4px;
}

/* ============================================================
 * DROPDOWN
 * ============================================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown__menu {
    position: absolute;
    top: calc(100% + var(--spacing-2));
    right: 0;
    min-width: 200px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-index-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
}

.dropdown__menu--open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    font-size: var(--font-size-sm);
}

.dropdown__item:hover {
    background: var(--color-bg-secondary);
}

.dropdown__item--danger {
    color: var(--color-error);
}

.dropdown__item--danger:hover {
    background: rgba(239, 68, 68, 0.08);
}

.dropdown__divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-2) 0;
}

/* ============================================================
 * DARK MODE
 * ============================================================ */

@media (prefers-color-scheme: dark) {
    .card {
        background: var(--color-bg-secondary);
        border-color: var(--color-border-dark);
    }

    .modal {
        background: var(--color-bg-secondary);
    }

    .modal__header {
        border-bottom-color: var(--color-border-dark);
    }

    .modal__footer {
        border-top-color: var(--color-border-dark);
    }

    .toast {
        background: var(--color-bg-secondary);
        border-color: var(--color-border-dark);
    }

    .dropdown__menu {
        background: var(--color-bg-secondary);
        border-color: var(--color-border-dark);
    }

    .dropdown__item:hover {
        background: var(--color-bg-tertiary);
    }

    .tabs {
        border-bottom-color: var(--color-border-dark);
    }
}

/* ============================================================
 * PRÍSTUPNOSŤ
 * ============================================================ */

@media (prefers-reduced-motion: reduce) {
    .card,
    .modal,
    .toast,
    .dropdown__menu,
    .tabs__button {
        transition: none !important;
        animation: none !important;
    }
}