/* ============================================
   Cloud-Init Generator - UI Components
   ============================================ */

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

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

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

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

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

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

.btn-danger:hover:not(:disabled) {
    background: #c53030;
}

.btn-icon {
    padding: 0.5rem;
    background: transparent;
    color: var(--text-secondary);
}

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

.btn-sm {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* ============================================
   Form Elements
   ============================================ */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-row {
    display: flex;
    gap: 0.75rem;
}

.form-row .form-group {
    flex: 1;
}

.form-row .form-group.flex-2 {
    flex: 2;
}

.input,
.select,
.textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-family: inherit;
    font-size: 0.8125rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

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

.input:disabled,
.select:disabled,
.textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.textarea {
    resize: vertical;
    min-height: 80px;
}

.textarea.code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    line-height: 1.6;
}

.input-with-btn {
    display: flex;
    gap: 0.5rem;
}

.input-with-btn .input {
    flex: 1;
}

/* ============================================
   Checkbox & Radio
   ============================================ */

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.checkbox-group.horizontal {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    user-select: none;
}

.checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    width: 18px;
    height: 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.checkbox:hover .checkmark {
    border-color: var(--accent-color);
}

.checkbox input:checked ~ .checkmark {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox input:checked ~ .checkmark::after {
    content: '';
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translateY(-1px);
}

.checkbox input:focus ~ .checkmark {
    box-shadow: 0 0 0 3px var(--accent-bg);
}

/* ============================================
   Modals
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(10px);
    transition: transform 0.3s ease;
    margin: 1rem;
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-content.modal-large {
    max-width: 640px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    color: var(--text-muted);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   Toast Notifications
   ============================================ */

.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.3);
    transform: translateY(100px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.toast.success {
    border-color: var(--success-color);
}

.toast.success .toast-icon {
    color: var(--success-color);
}

.toast.error {
    border-color: var(--error-color);
}

.toast.error .toast-icon {
    color: var(--error-color);
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* ============================================
   Tooltips
   ============================================ */

[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0.75rem;
    background: var(--text-primary);
    color: var(--bg-primary);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    border-radius: 6px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 100;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Empty States
   ============================================ */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 0.875rem;
}

/* ============================================
   Divider
   ============================================ */

.divider {
    height: 1px;
    background: var(--border-color);
    margin: 1rem 0;
}

/* ============================================
   Badge
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    background: var(--bg-hover);
    color: var(--text-secondary);
}

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

.badge-success {
    background: rgba(72, 187, 120, 0.15);
    color: var(--success-color);
}

.badge-error {
    background: rgba(245, 101, 101, 0.15);
    color: var(--error-color);
}

/* ============================================
   Loading Spinner
   ============================================ */

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.animate-slide-in {
    animation: slideIn 0.3s ease forwards;
}