/* ============================================
   2D Monitoramento - Modal de Ativos
   ============================================ */

/* ----------------------------------------
   Modal Base Structure
   ---------------------------------------- */

#ativo_add_modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

#ativo_add_modal.hidden {
    display: none;
}

/* Overlay */
.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

/* Dialog Container */
.modal-dialog {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.25s ease-out;
}

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

/* ----------------------------------------
   Modal Header
   ---------------------------------------- */

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

.modal-dialog .modal-header h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-dialog .modal-header h2 .icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.modal-dialog .modal-close {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-dialog .modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-dialog .modal-close:hover {
    background: var(--bg-primary);
    color: var(--danger);
}

/* ----------------------------------------
   Modal Body
   ---------------------------------------- */

.modal-dialog .modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

/* ----------------------------------------
   Form Sections
   ---------------------------------------- */

.form-section {
    margin-bottom: 1.5rem;
}

.form-section:last-of-type {
    margin-bottom: 0;
}

.section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* ----------------------------------------
   Form Groups & Rows
   ---------------------------------------- */

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1rem;
}

.form-section .form-group:last-child {
    margin-bottom: 0;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

/* Labels */
.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group .required {
    color: var(--danger);
    margin-left: 0.25rem;
}

/* Inputs & Selects */
.form-group input,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.form-group input:hover,
.form-group select:hover {
    border-color: var(--border-light);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group 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='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

/* Form Hints */
.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Input with Button Addon */
.input-with-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-with-button select,
.input-with-button input {
    flex: 1;
}

.btn-input-addon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.btn-input-addon:hover {
    background: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-input-addon:active {
    transform: translateY(0);
}

.btn-input-addon svg {
    width: 18px;
    height: 18px;
}

/* ----------------------------------------
   Toggle Switches
   ---------------------------------------- */

.toggle-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toggle-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.toggle-item:hover {
    border-color: var(--border-light);
    background: var(--bg-tertiary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    flex-shrink: 0;
}

.toggle-switch input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    display: block;
    width: 44px;
    height: 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    transition: all 0.3s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: var(--text-muted);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary);
    border-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(20px);
    background: white;
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Toggle Label */
.toggle-label {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.toggle-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.toggle-description {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ----------------------------------------
   Modal Footer
   ---------------------------------------- */

.modal-dialog .modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    margin-top: 0;
}

.modal-dialog .modal-footer .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
}

.modal-dialog .modal-footer .btn .icon {
    width: 16px;
    height: 16px;
}

.modal-dialog .modal-footer .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ----------------------------------------
   Responsive
   ---------------------------------------- */

@media (max-width: 600px) {
    .modal-dialog {
        max-width: 100%;
        margin: 0.5rem;
        max-height: calc(100vh - 1rem);
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-row .form-group {
        margin-bottom: 1rem;
    }
    
    .toggle-group {
        gap: 0.5rem;
    }
    
    .toggle-item {
        padding: 0.625rem 0.75rem;
    }
}