/**
 * Components & UI Elements
 * Toast notifications, modals, loading states
 */

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 16px 20px;
    min-width: 300px;
    max-width: 450px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    border-left: 4px solid var(--primary);
}

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

.toast-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    line-height: 1;
}

.toast-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.toast-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.4;
}

.toast-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.toast-close:hover {
    background: var(--bg);
    color: var(--text);
}

/* Toast Variants */
.toast-success {
    border-left-color: #10b981;
}

.toast-success .toast-icon {
    color: #10b981;
}

.toast-error {
    border-left-color: #ef4444;
}

.toast-error .toast-icon {
    color: #ef4444;
}

.toast-warning {
    border-left-color: #f59e0b;
}

.toast-warning .toast-icon {
    color: #f59e0b;
}

.toast-info {
    border-left-color: #3b82f6;
}

.toast-info .toast-icon {
    color: #3b82f6;
}

/* Loading Spinner */
.btn-loader {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spinner 0.8s linear infinite;
}

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

/* Button Loading State */
.btn[data-loading='true'] .btn-text {
    opacity: 0;
}

.btn[data-loading='true'] .btn-loader {
    display: inline-block;
}

.btn .btn-loader {
    display: none;
    margin: 0 auto;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg);
    color: var(--text);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-error {
    background: #fee2e2;
    color: #991b1b;
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(90deg, var(--bg) 0%, #e5e7eb 50%, var(--bg) 100%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 16px;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

/* Progress Bar */
.progress {
    width: 100%;
    height: 8px;
    background: var(--bg);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 8px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progress-shine 2s ease-in-out infinite;
}

@keyframes progress-shine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--text);
    color: var(--white);
    font-size: 0.875rem;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    pointer-events: none;
    z-index: 1000;
}

.tooltip::after {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--text);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.tooltip:hover::before,
.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Divider */
.divider {
    height: 1px;
    background: var(--border);
    margin: 24px 0;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    font-size: 0.875rem;
    color: var(--text-light);
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.empty-state-description {
    color: var(--text-light);
    margin-bottom: 24px;
}

/* Avatar */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--primary);
}

.avatar-lg {
    width: 64px;
    height: 64px;
    font-size: 1.5rem;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 767px) {
    .toast-container {
        left: 20px;
        right: 20px;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }

    .modal {
        width: 95%;
        max-height: 95vh;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 16px;
    }
}