/**
 * THE WEIGHT - UI стилі
 * Форми, inputs, alerts, badges
 */

/* ============================================
   ФОРМИ
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-label-required::after {
    content: ' *';
    color: var(--color-danger);
}

/* ============================================
   INPUTS
   ============================================ */
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

/* Input with icon */
.input-with-icon {
    position: relative;
}

.input-with-icon .form-input {
    padding-left: 3rem;
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Input states */
.form-input.is-error,
.form-textarea.is-error {
    border-color: var(--color-danger);
}

.form-input.is-success,
.form-textarea.is-success {
    border-color: var(--color-success);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--color-danger);
    font-size: var(--font-size-sm);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Textarea */
.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Select */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: 2.5rem;
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* ============================================
   ALERTS / ПОВІДОМЛЕННЯ
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-icon {
    flex-shrink: 0;
    font-size: var(--font-size-lg);
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

/* ============================================
   BADGES / МІТКИ
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-primary-light);
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

.badge-neutral {
    background: rgba(107, 114, 128, 0.2);
    color: var(--text-secondary);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress {
    height: 8px;
    background: var(--bg-input);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
    transition: width var(--transition-normal);
}

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

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

.progress-bar-danger {
    background: var(--color-danger);
}

/* ============================================
   TOOLTIP
   ============================================ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-gray-800);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 1000;
}

[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* ============================================
   NOTIFICATIONS (toast)
   ============================================ */
.notifications-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.notification {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease;
}

.notification-icon {
    font-size: var(--font-size-xl);
}

.notification-content {
    flex: 1;
}

.notification-close {
    color: var(--text-muted);
    padding: var(--spacing-xs);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.notification-error {
    border-color: rgba(239, 68, 68, 0.3);
}

.notification-success {
    border-color: rgba(16, 185, 129, 0.3);
}

.notification-warning {
    border-color: rgba(245, 158, 11, 0.3);
}

.notification-info {
    border-color: rgba(59, 130, 246, 0.3);
}

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

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    z-index: 9000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

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

.modal-container {
    background: var(--bg-card);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-fast);
}

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

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: var(--font-size-2xl);
    color: var(--text-muted);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.modal-content {
    padding: var(--spacing-2xl);
}

/* ============================================
   LOADER
   ============================================ */
.loader {
    position: fixed;
    inset: 0;
    background: rgba(15, 15, 26, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    z-index: 9999;
}

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-gray-700);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

/* ============================================
   DIVIDER
   ============================================ */
.divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.divider-text {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}