/* ============================================
   WebServices Design System 2026
   Brain Infinity - Monocromático com Light/Dark Mode
   ============================================ */

/* ============================================
   CSS Variables - Light Mode (Default)
   ============================================ */
:root {
    /* Escala de Pretos */
    --black-900: #000000;
    --black-800: #1a1a1a;
    --black-700: #333333;
    --black-600: #4d4d4d;
    --black-500: #666666;
    --black-400: #808080;
    --black-300: #999999;
    --black-200: #b3b3b3;
    --black-100: #cccccc;
    --black-50: #e6e6e6;
    
    /* Escala de Brancos */
    --white-900: #ffffff;
    --white-800: #fafafa;
    --white-700: #f5f5f5;
    --white-600: #eeeeee;
    --white-500: #e0e0e0;
    
    /* Tokens Semânticos - Light Mode */
    --bg-primary: var(--white-900);
    --bg-secondary: var(--white-700);
    --bg-tertiary: var(--white-600);
    --bg-header: var(--black-900);
    
    --text-primary: var(--black-900);
    --text-secondary: var(--black-500);
    --text-tertiary: var(--black-300);
    --text-inverse: var(--white-900);
    
    --border-primary: var(--black-100);
    --border-secondary: var(--black-50);
    --border-focus: var(--black-900);
    
    --btn-primary-bg: var(--black-900);
    --btn-primary-text: var(--white-900);
    --btn-primary-hover: var(--black-700);
    
    --btn-secondary-bg: transparent;
    --btn-secondary-text: var(--black-900);
    --btn-secondary-border: var(--black-900);
    --btn-secondary-hover: var(--black-50);
    
    /* Status Colors */
    --success: #059669;
    --success-bg: #ecfdf5;
    --error: #dc2626;
    --error-bg: #fef2f2;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================
   Dark Mode
   ============================================ */
[data-theme="dark"] {
    --bg-primary: var(--black-900);
    --bg-secondary: var(--black-800);
    --bg-tertiary: var(--black-700);
    --bg-header: var(--black-800);
    
    --text-primary: var(--white-900);
    --text-secondary: var(--black-200);
    --text-tertiary: var(--black-300);
    --text-inverse: var(--black-900);
    
    --border-primary: var(--black-600);
    --border-secondary: var(--black-700);
    --border-focus: var(--white-900);
    
    --btn-primary-bg: var(--white-900);
    --btn-primary-text: var(--black-900);
    --btn-primary-hover: var(--white-700);
    
    --btn-secondary-bg: transparent;
    --btn-secondary-text: var(--white-900);
    --btn-secondary-border: var(--white-900);
    --btn-secondary-hover: var(--black-700);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

/* ============================================
   Base Styles
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p {
    color: var(--text-secondary);
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

a:hover {
    opacity: 0.7;
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Header
   ============================================ */
header {
    background-color: var(--bg-header);
    color: var(--text-inverse);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.25rem;
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

header a {
    color: var(--text-inverse);
}

header nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

header nav a {
    font-size: 0.9rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

header nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.logout-btn {
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-inverse);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
    font-size: 1rem;
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-focus);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.btn:hover {
    background-color: var(--btn-primary-hover);
    transform: translateY(-1px);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn i {
    font-size: 0.9em;
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
}

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

.btn-ghost {
    background-color: transparent;
    color: var(--text-primary);
    border: none;
}

.btn-ghost:hover {
    background-color: var(--bg-tertiary);
}

.btn-danger {
    background-color: var(--error);
    color: var(--white-900);
}

.btn-danger:hover {
    background-color: #b91c1c;
}

.btn-cancel {
    background-color: transparent;
    color: var(--error);
    border: 1px solid var(--error);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: all var(--transition-fast);
}

.btn-cancel:hover {
    background-color: var(--error-bg);
}

.btn-continue {
    background-color: var(--success);
    color: var(--white-900);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: all var(--transition-fast);
}

.btn-continue:hover {
    background-color: #047857;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus,
[data-theme="dark"] .form-group select:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group small {
    display: block;
    margin-top: var(--space-xs);
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Radio Group */
.radio-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.radio-option {
    display: block;
    padding: var(--space-lg);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.radio-option:hover {
    border-color: var(--border-focus);
}

.radio-option.selected {
    border-color: var(--black-900);
    background-color: var(--bg-tertiary);
}

[data-theme="dark"] .radio-option.selected {
    border-color: var(--white-900);
}

.radio-option input {
    display: none;
}

.radio-option h4 {
    margin-bottom: var(--space-xs);
}

.radio-option p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* ============================================
   Login Page
   ============================================ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background-color: var(--bg-secondary);
}

.login-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 420px;
    margin: var(--space-xl) auto;
    box-shadow: var(--shadow-lg);
}

.login-card h1 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.login-card .footer {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-secondary);
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

/* ============================================
   Alerts & Messages
   ============================================ */
.success {
    background-color: var(--success-bg);
    border: 1px solid var(--success);
    color: var(--success);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.success h2 {
    color: var(--success);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.error {
    background-color: var(--error-bg);
    border: 1px solid var(--error);
    color: var(--error);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.warning {
    background-color: var(--warning-bg);
    border: 1px solid var(--warning);
    color: #92400e;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.info-box {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
}

.info-box strong {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.feature-list {
    list-style: none;
    margin-top: var(--space-sm);
}

.feature-list li {
    padding: var(--space-xs) 0;
    padding-left: var(--space-lg);
    position: relative;
}

.feature-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--text-tertiary);
}

.magic-link {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background-color: var(--white-900);
    border-radius: var(--radius-sm);
    word-break: break-all;
}

.magic-link a {
    color: var(--info);
    font-size: 0.85rem;
}

/* ============================================
   Company Cards
   ============================================ */
.companies-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.company-card-wrapper {
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.company-card-wrapper:hover {
    border-color: var(--border-focus);
}

.company-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--transition-fast);
}

.company-card:hover {
    background-color: var(--bg-tertiary);
    opacity: 1;
}

.company-info h3 {
    margin-bottom: var(--space-xs);
}

.company-info p {
    font-size: 0.9rem;
}

.company-meta {
    text-align: right;
}

.company-meta .progress {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.company-meta .cost {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.company-actions {
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-secondary);
}

/* Running Jobs */
.running-jobs-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.running-job-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.job-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ============================================
   Progress Page
   ============================================ */
.progress-container {
    max-width: 800px;
    margin: var(--space-xl) auto;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
}

.phase-list {
    list-style: none;
}

.phase-item {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-secondary);
    opacity: 0.5;
    transition: opacity var(--transition-normal);
}

.phase-item.active {
    opacity: 1;
}

.phase-item.completed {
    opacity: 1;
}

.phase-item.completed .phase-icon {
    color: var(--success);
}

.phase-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phase-content h4 {
    margin-bottom: var(--space-xs);
}

.phase-content p {
    font-size: 0.9rem;
}

/* ============================================
   Animations
   ============================================ */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

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

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.fa-spin {
    animation: spin 1s linear infinite;
}

.fa-pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

.fa-bounce {
    animation: bounce 1s ease infinite;
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-success { color: var(--success) !important; }
.text-error { color: var(--error) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--text-tertiary) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--space-sm) !important; }
.mt-2 { margin-top: var(--space-md) !important; }
.mt-3 { margin-top: var(--space-lg) !important; }
.mt-4 { margin-top: var(--space-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-sm) !important; }
.mb-2 { margin-bottom: var(--space-md) !important; }
.mb-3 { margin-bottom: var(--space-lg) !important; }
.mb-4 { margin-bottom: var(--space-xl) !important; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    header .container {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    header nav {
        width: 100%;
        justify-content: center;
    }
    
    .radio-group {
        grid-template-columns: 1fr;
    }
    
    .login-card {
        margin: var(--space-md);
        padding: var(--space-xl);
    }
    
    .company-card {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .company-meta {
        text-align: left;
    }
    
    .running-job-card {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .job-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .progress-header {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    header, .btn, .theme-toggle {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}