* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --success: #10b981;
    --bg: #f8fafc;
    --text: #1e293b;
    --border: #e2e8f0;
    --gray: #64748b;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f172a;
        --text: #f1f5f9;
        --border: #334155;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 700px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 20px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    border-radius: 12px;
    border: 1px solid var(--border);
    animation: slideDown 0.6s ease;
}

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

.logo-section {
    margin-bottom: 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    max-height: 60px;
    max-width: 250px;
    object-fit: contain;
    animation: slideIn 0.8s ease;
}

h1 {
    font-size: 32px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.subtitle {
    color: var(--gray);
    font-size: 16px;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
}

.form-group[data-step] {
    display: none;
}

.form-group[data-step].active {
    display: block;
    animation: slideIn 0.3s ease;
}

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

h2 {
    font-size: 22px;
    margin-bottom: 28px;
    color: var(--text);
    font-weight: 600;
    position: relative;
    padding-bottom: 12px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--success) 100%);
    border-radius: 2px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    transition: all 0.3s ease;
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="url"]:hover,
textarea:hover,
select:hover {
    border-color: var(--primary);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

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

.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-item,
.radio-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

input[type="checkbox"],
input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-item label,
.radio-item label {
    margin: 0;
    font-weight: 400;
    cursor: pointer;
}

.progress {
    margin-bottom: 40px;
}

.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, #10b981 100%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.3);
}

.progress-text {
    font-size: 13px;
    color: var(--gray);
    margin-top: 10px;
    text-align: center;
    font-weight: 500;
}

.buttons {
    display: flex;
    gap: 12px;
    margin-top: 30px;
}

button {
    flex: 1;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

button:active:not(:disabled) {
    transform: scale(0.98);
}

.btn-prev {
    background: var(--border);
    color: var(--text);
    border: 2px solid transparent;
}

.btn-prev:hover:not(:disabled) {
    background: #cbd5e1;
    border-color: var(--text);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-next {
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
    color: white;
}

.btn-next:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
}

.btn-success:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.success-message {
    background: #d1fae5;
    border: 1px solid var(--success);
    color: #065f46;
    padding: 16px;
    border-radius: 6px;
    margin: 20px 0;
    display: none;
    text-align: center;
}

.success-message.show {
    display: block;
    animation: slideIn 0.3s ease;
}

.help-text {
    font-size: 12px;
    color: var(--gray);
    margin-top: 4px;
}

.form-group[data-step="11"] {
    margin-top: 20px;
}

#resumoRespostas h3 {
    color: var(--primary);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 16px;
}

#resumoRespostas p {
    margin-bottom: 12px;
    word-break: break-word;
}

#resumoRespostas strong {
    color: var(--text);
}

@media (max-width: 640px) {
    .container {
        padding: 0;
    }

    h1 {
        font-size: 24px;
    }

    .buttons {
        flex-direction: column;
    }

    button {
        width: 100%;
    }
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Upload Styles */
.upload-area {
    border: 2px dashed var(--primary);
    border-radius: 10px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.upload-area:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.2);
}

.upload-area.dragover {
    border-color: var(--success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(37, 99, 235, 0.15) 100%);
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.upload-content {
    pointer-events: none;
}

.upload-icon {
    display: block;
    font-size: 32px;
    margin-bottom: 12px;
}

.upload-area p {
    margin: 8px 0;
}

.file-list {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--border);
    border-radius: 6px;
    font-size: 14px;
}

.file-item-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.file-item-name {
    flex: 1;
    word-break: break-word;
    color: var(--text);
}

.file-item-size {
    font-size: 12px;
    color: var(--gray);
    margin-left: 8px;
}

.file-item-remove {
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    flex-shrink: 0;
}

.file-item-remove:hover {
    background: #dc2626;
}