/* ============================================
   Diagnóstico Contábil v2 - Persistent Form
   ============================================ */

/* === Base === */
body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* === Screen Transitions === */
.screen-enter {
    animation: screenFadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes screenFadeIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* === Section Panels === */
.section-panel {
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.section-body {
    animation: sectionExpand 0.3s ease-out;
}

@keyframes sectionExpand {
    from { opacity: 0; max-height: 0; }
    to   { opacity: 1; max-height: 2000px; }
}

.section-chevron {
    transition: transform 0.2s ease;
}

.section-chevron.rotate-180 {
    transform: rotate(180deg);
}

/* === Field Inputs === */
.field-input {
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.field-input::placeholder {
    color: #94a3b8;
}

/* === Select Option Buttons === */
.select-option {
    cursor: pointer;
    transition: all 0.15s ease;
}

.select-option:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.select-option:active {
    transform: translateY(0);
}

/* === Buttons === */
.btn-primary {
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    color: #fff;
    font-weight: 700;
    padding: 0.875rem 2rem;
    border-radius: 1rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #1d4ed8, #4338ca);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.btn-primary:disabled {
    cursor: not-allowed;
}

/* === CNPJ Preview Card === */
#cnpj-preview-card {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* === Loading Spinner === */
.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e2e8f0;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

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

/* === Progress Bar === */
#progress-bar-v2 {
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Success Check Animation === */
.success-check {
    animation: checkPop 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes checkPop {
    0%   { transform: scale(0); opacity: 0; }
    50%  { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* === Number Input - hide arrows === */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] {
    -moz-appearance: textfield;
}

/* === Mobile === */
@media (max-width: 640px) {
    .field-input { font-size: 0.95rem; }
    .btn-primary { width: 100%; justify-content: center; }
    .select-option { font-size: 0.8rem; padding: 0.5rem 0.75rem; }
}

/* === Loading Overlay === */
#loading-overlay {
    transition: opacity 0.3s ease;
}

#loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}