/* oz-aichat — Components */

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary { background: var(--accent-gradient); color: white; }
.btn-primary:hover { box-shadow: var(--shadow-glow); opacity: 0.9; }

.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); border: var(--border-medium); }
.btn-secondary:hover { background: var(--bg-hover); }

.btn-danger { background: rgba(248, 113, 113, 0.15); color: var(--color-error); }
.btn-danger:hover { background: rgba(248, 113, 113, 0.25); }

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

.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--radius-md); }

/* === Modals === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
    display: none;
}

.modal-overlay.active { display: flex; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
    background: var(--bg-surface);
    border: var(--border-medium);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    min-width: 400px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlideIn { from { transform: scale(0.95) translateY(10px); opacity: 0; } to { transform: scale(1) translateY(0); opacity: 1; } }

.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); }
.modal-title { font-size: var(--text-xl); font-weight: 700; }
.modal-close { width: 32px; height: 32px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: background var(--transition-fast); }
.modal-close:hover { background: var(--bg-hover); }
.modal-body { margin-bottom: var(--space-5); }
.modal-footer { display: flex; justify-content: flex-end; gap: var(--space-3); }

/* === Form Inputs === */
.form-group { margin-bottom: var(--space-4); }
.form-label { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--text-secondary); margin-bottom: var(--space-2); }

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    border: var(--border-medium);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-error { font-size: var(--text-xs); color: var(--color-error); margin-top: var(--space-1); }

/* === Toast === */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: var(--bg-surface);
    border: var(--border-medium);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: toastSlide 0.3s ease;
    min-width: 300px;
    max-width: 500px;
}

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

.toast-success { border-left: 3px solid var(--color-success); }
.toast-error { border-left: 3px solid var(--color-error); }
.toast-warning { border-left: 3px solid var(--color-warning); }
.toast-info { border-left: 3px solid var(--color-info); }

.toast-message { flex: 1; font-size: var(--text-sm); }
.toast-close { color: var(--text-muted); cursor: pointer; padding: var(--space-1); }
.toast-close:hover { color: var(--text-primary); }

/* === Dropdown === */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--bg-surface);
    border: var(--border-medium);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-tooltip);
    display: none;
    animation: fadeIn 0.15s ease;
}

.dropdown-menu.active { display: block; }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin: var(--space-2) 0;
}

/* === Model Selector === */
.model-selector {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary);
    border: var(--border-subtle);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: border-color var(--transition-fast);
}

.model-selector:hover {
    border-color: var(--accent-primary);
}

.model-selector-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
}

.model-selector-name {
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* === Tooltip === */
/* Funciona para qualquer elemento com [data-tooltip] (não exige classe .tooltip). */
.tooltip,
[data-tooltip] {
    position: relative;
}

.tooltip::after,
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: var(--border-subtle);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: var(--z-tooltip);
}

.tooltip:hover::after,
[data-tooltip]:hover::after {
    opacity: 1;
}