/* style.css - Styling for Almeida Estúdios Brand Briefing */

/* -------------------------------------------------------------
   1. Design System & CSS Variables
------------------------------------------------------------- */
:root {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-border: #bfdbfe;
    
    --success: #10b981;
    --success-light: #d1fae5;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --border-color: #e2e8f0;
    --border-focus: #cbd5e1;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* -------------------------------------------------------------
   2. Progress Bar (Sticky Top)
------------------------------------------------------------- */
.progress-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.progress-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
    margin: 0 auto 6px auto;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#progressPercent {
    color: var(--primary);
}

#progressStepInfo {
    color: var(--text-secondary);
}

.progress-bar-track {
    width: 100%;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--primary);
    border-radius: 3px;
    transition: width var(--transition-normal);
}

/* -------------------------------------------------------------
   3. Layout Wrapper
------------------------------------------------------------- */
.main-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 100px 20px 40px 20px; /* Top padding leaves space for sticky progress bar */
}

.form-container {
    background-color: var(--card-bg);
    width: 100%;
    max-width: 800px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: 50px 60px;
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .form-container {
        padding: 30px 24px;
        border-radius: var(--radius-md);
    }
    .main-wrapper {
        padding-top: 90px;
    }
}

/* -------------------------------------------------------------
   4. Form Header
------------------------------------------------------------- */
.form-header {
    text-align: center;
    margin-bottom: 45px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 30px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-almeida {
    color: var(--text-primary);
}

.logo-estudios {
    color: var(--primary);
    margin-left: 4px;
}

.form-header h1 {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.form-header p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* -------------------------------------------------------------
   5. Resume Prompt (LocalStorage banner)
------------------------------------------------------------- */
.resume-prompt {
    background-color: var(--primary-light);
    border: 1px solid var(--primary-border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 30px;
    animation: fadeIn 0.3s ease;
}

.resume-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.resume-content p {
    font-size: 0.9rem;
    color: var(--primary-hover);
    font-weight: 500;
}

.resume-content i {
    margin-right: 6px;
}

.resume-actions {
    display: flex;
    gap: 10px;
}

.btn-sm {
    padding: 6px 14px !important;
    font-size: 0.8rem !important;
    border-radius: var(--radius-sm) !important;
}

/* -------------------------------------------------------------
   6. Form Steps (Navigation & Animation)
------------------------------------------------------------- */
.form-step {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.form-step.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.step-title-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.step-num {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--primary);
    font-variant-numeric: initial;
    opacity: 0.7;
    line-height: 1;
}

.form-step h2 {
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--text-primary);
}

.step-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* -------------------------------------------------------------
   7. Form Fields & Grid Layouts
------------------------------------------------------------- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-grid-three {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

@media (max-width: 600px) {
    .form-grid, .form-grid-three {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group.required label::after {
    content: " *";
    color: var(--danger);
    font-weight: 600;
}

label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.label-optional {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.8rem;
}

.section-sublabel {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.92rem;
    color: var(--text-primary);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

textarea {
    resize: vertical;
    font-family: inherit;
}

.mt-30 {
    margin-top: 30px;
}

/* Error validation states */
.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
    border-color: var(--danger);
    background-color: #fffafb;
}

.form-group.has-error .error-msg {
    display: block;
}

.error-msg {
    display: none;
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 6px;
    font-weight: 500;
}

/* -------------------------------------------------------------
   8. Custom Checkboxes
------------------------------------------------------------- */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 32px;
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
    font-weight: 500;
    color: var(--text-secondary);
    min-height: 24px;
    transition: color var(--transition-fast);
}

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

.checkbox-custom {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    height: 20px;
    width: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.checkbox-container:hover input ~ .checkbox-custom {
    border-color: var(--primary-border);
}

.checkbox-container input:checked ~ .checkbox-custom {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkbox-custom::after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkbox-custom::after {
    display: block;
}

.checkbox-container .checkbox-custom::after {
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container:hover {
    color: var(--text-primary);
}

.checkbox-container input:checked {
    color: var(--text-primary);
}

/* Specifically for personality checkbox grid to have tighter styling */
.checkbox-personality {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
}

/* -------------------------------------------------------------
   9. Step 6 Keyword Inputs
------------------------------------------------------------- */
.keyword-inputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.keyword-wrapper {
    display: flex;
    align-items: center;
}

.keyword-num {
    background-color: var(--border-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 700;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin-right: 12px;
}

.keyword-input {
    flex: 1;
}

/* -------------------------------------------------------------
   10. Step 7 Visual Style Cards (Radio Custom)
------------------------------------------------------------- */
.style-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .style-cards-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

.style-card {
    cursor: pointer;
    position: relative;
    display: block;
}

.style-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.style-card-content {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
    height: 100%;
}

.style-card-icon {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    transition: color var(--transition-normal);
}

.style-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.style-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Active Visual States for Radio Cards */
.style-card:hover .style-card-content {
    border-color: var(--border-focus);
}

.style-card input[type="radio"]:checked + .style-card-content {
    border-color: var(--primary);
    background-color: var(--primary-light);
    box-shadow: 0 0 0 1px var(--primary);
}

.style-card input[type="radio"]:checked + .style-card-content .style-card-icon {
    color: var(--primary);
}

/* -------------------------------------------------------------
   11. Step 8 References Rows & Dropzone
------------------------------------------------------------- */
.reference-brands-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.brand-reference-row {
    display: grid;
    grid-template-columns: 35px 1fr 1fr;
    gap: 15px;
    align-items: center;
}

@media (max-width: 600px) {
    .brand-reference-row {
        grid-template-columns: 1fr;
        gap: 8px;
        background-color: #fafafa;
        padding: 12px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-color);
    }
    .ref-row-num {
        display: none;
    }
}

.ref-row-num {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    text-align: center;
}

/* File Dropzone */
.upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 35px 20px;
    text-align: center;
    cursor: pointer;
    background-color: var(--bg-color);
    transition: border-color var(--transition-normal), background-color var(--transition-normal);
    position: relative;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.upload-icon {
    font-size: 2.2rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    transition: color var(--transition-normal);
}

.upload-dropzone:hover .upload-icon, .upload-dropzone.dragover .upload-icon {
    color: var(--primary);
}

.upload-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.upload-text span {
    color: var(--primary);
    text-decoration: underline;
    font-weight: 600;
}

.file-limits {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.hidden-file-input {
    display: none;
}

/* Uploaded Files Preview List */
.uploaded-files-list {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 0.85rem;
    animation: fadeIn 0.2s ease;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-info i {
    color: var(--primary);
}

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

.btn-remove-file {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.btn-remove-file:hover {
    color: var(--danger);
}

/* -------------------------------------------------------------
   12. Step 11 Sliders Custom Design
------------------------------------------------------------- */
.sliders-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px 40px;
}

@media (max-width: 600px) {
    .sliders-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.slider-row {
    display: flex;
    flex-direction: column;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.slider-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.slider-value {
    background-color: var(--primary-light);
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 12px;
    border: 1px solid var(--primary-border);
    min-width: 32px;
    text-align: center;
}

/* Custom Slider Styling */
.custom-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    transition: background var(--transition-fast);
}

.custom-slider:focus {
    /* No shadow around track but outline focus */
}

.custom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.custom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: var(--primary-hover);
}

.custom-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.custom-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
    background: var(--primary-hover);
}

/* -------------------------------------------------------------
   13. Form Footer / Navigation
------------------------------------------------------------- */
.form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 45px;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    border: 1px solid transparent;
    user-select: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}

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

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

.btn-outline:hover {
    background-color: var(--bg-color);
    border-color: var(--border-focus);
    color: var(--text-primary);
}

.btn.disabled, .btn:disabled {
    background-color: var(--bg-color) !important;
    border-color: var(--border-color) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed;
    transform: none;
}

/* -------------------------------------------------------------
   14. Success / Final Screen
------------------------------------------------------------- */
.success-screen {
    text-align: center;
    padding: 40px 10px;
    animation: scaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.success-icon {
    font-size: 4.5rem;
    color: var(--success);
    margin-bottom: 25px;
}

.success-screen h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.success-message {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 35px auto;
    line-height: 1.6;
}

#btnGoBackHome {
    min-width: 200px;
}

/* -------------------------------------------------------------
   15. Utilities (Toast, Overlays, Animations)
------------------------------------------------------------- */
/* Toast Messages */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background-color: #1e293b;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    text-align: center;
    pointer-events: none;
    white-space: nowrap;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    gap: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Hidden Utility */
.hidden {
    display: none !important;
}

/* Keyframes animations */
@keyframes spin {
    to { transform: rotate(360deg); }
}

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}