/* ==========================================================================
   ClipIA — Design System & Folha de Estilos SaaS (Etapa 1)
   Tema Escuro Elegante (Grafite/Preto + Detalhes em Roxo/Violeta)
   ========================================================================== */

:root {
    /* Paleta de Fundos (Grafite e Preto Profundo) */
    --bg-base: #090A0F;
    --bg-surface: #10121A;
    --bg-elevated: #151823;
    --bg-hover: #1B1F2E;
    --bg-input: #0C0E15;

    /* Bordas Discretas */
    --border-subtle: #1E2230;
    --border-default: #262B3D;
    --border-focus: #8B5CF6;

    /* Roxo e Violeta (Identidade ClipIA) */
    --accent-primary: #7C3AED;
    --accent-primary-hover: #6D28D9;
    --accent-violet: #8B5CF6;
    --accent-light: #A78BFA;
    --accent-soft-bg: rgba(124, 58, 237, 0.12);
    --accent-soft-border: rgba(139, 92, 246, 0.32);

    /* Tipografia */
    --text-primary: #F3F4F8;
    --text-secondary: #9CA3AF;
    --text-muted: #64748B;

    /* Estados Semânticos */
    --status-success: #10B981;
    --status-success-bg: rgba(16, 185, 129, 0.1);
    --status-warning: #F59E0B;
    --status-warning-bg: rgba(245, 158, 11, 0.1);
    --status-error: #EF4444;
    --status-error-bg: rgba(239, 68, 68, 0.1);
    --status-info: #8B5CF6;
    --status-info-bg: rgba(139, 92, 246, 0.1);

    /* Dimensões e Raios */
    --sidebar-width: 264px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.45);
    --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    color-scheme: dark;
}

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

h1, h2, h3, h4, .brand-text {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

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

ul {
    list-style: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

/* Acessibilidade */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--accent-primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
}

.skip-link:focus {
    top: 16px;
}

:focus-visible {
    outline: 2px solid var(--accent-violet);
    outline-offset: 2px;
}

/* Utilitários de Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-accent {
    color: var(--accent-light);
}

.text-muted {
    color: var(--text-secondary);
}

/* Marca ClipIA */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background-color: var(--accent-soft-bg);
    border: 1px solid var(--accent-soft-border);
    color: var(--accent-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.brand-accent {
    color: var(--accent-light);
}

.brand-badge {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 7px;
    border-radius: 99px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.925rem;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled,
.btn.is-loading {
    opacity: 0.65;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.08);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-primary-hover);
}

.btn-secondary {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-default);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-hover);
    border-color: var(--accent-soft-border);
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--bg-elevated);
    border-color: var(--accent-violet);
}

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

.btn-ghost:hover:not(:disabled) {
    color: var(--text-primary);
    background-color: var(--bg-elevated);
}

.btn-danger {
    background-color: rgba(239, 68, 68, 0.12);
    color: #FCA5A5;
    border-color: rgba(239, 68, 68, 0.28);
}

.btn-danger:hover:not(:disabled) {
    background-color: rgba(239, 68, 68, 0.22);
    color: #FFFFFF;
}

.btn-xs {
    padding: 5px 10px;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 13px 24px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 999px;
    border: 1px solid transparent;
}

.badge-violet {
    background-color: var(--accent-soft-bg);
    color: #C4B5FD;
    border-color: var(--accent-soft-border);
}

.badge-success {
    background-color: var(--status-success-bg);
    color: #6EE7B7;
    border-color: rgba(16, 185, 129, 0.3);
}

.badge-warning {
    background-color: var(--status-warning-bg);
    color: #FCD34D;
    border-color: rgba(245, 158, 11, 0.3);
}

.badge-danger {
    background-color: var(--status-error-bg);
    color: #FCA5A5;
    border-color: rgba(239, 68, 68, 0.3);
}

.badge-neutral {
    background-color: var(--bg-elevated);
    color: var(--text-secondary);
    border-color: var(--border-default);
}

/* Alertas e Mensagens */
.feedback-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.feedback-stack:empty {
    display: none;
}

.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    background-color: var(--bg-surface);
    animation: fadeInSlide 220ms ease-out;
}

.alert-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.alert-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.alert-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
}

.alert-close:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.alert-success {
    border-color: rgba(16, 185, 129, 0.35);
    background-color: rgba(16, 185, 129, 0.06);
}
.alert-success .alert-icon,
.alert-success .alert-title { color: #34D399; }

.alert-error {
    border-color: rgba(239, 68, 68, 0.35);
    background-color: rgba(239, 68, 68, 0.06);
}
.alert-error .alert-icon,
.alert-error .alert-title { color: #F87171; }

.alert-warning {
    border-color: rgba(245, 158, 11, 0.35);
    background-color: rgba(245, 158, 11, 0.06);
}
.alert-warning .alert-icon,
.alert-warning .alert-title { color: #FBBF24; }

.alert-info,
.alert-loading {
    border-color: var(--accent-soft-border);
    background-color: rgba(124, 58, 237, 0.07);
}
.alert-info .alert-icon,
.alert-info .alert-title,
.alert-loading .alert-title { color: var(--accent-light); }

/* Spinner de Carregamento */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(167, 139, 250, 0.25);
    border-top-color: var(--accent-light);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

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

@keyframes fadeInSlide {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   CABEÇALHO PÚBLICO & LANDING PAGE
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(9, 10, 15, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link-subtle {
    color: var(--accent-light);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    padding: 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding: 84px 0 64px;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: -180px;
    left: 50%;
    transform: translateX(-50%);
    width: 680px;
    height: 340px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.14) 0%, rgba(9, 10, 15, 0) 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-default);
    color: var(--accent-light);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(2.1rem, 4vw, 3.25rem);
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.08rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 580px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 28px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.84rem;
    color: var(--text-muted);
}

.hero-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.hero-meta-item svg {
    color: var(--accent-light);
}

/* Card Demonstrativo na Hero */
.hero-showcase-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: 20px;
    box-shadow: var(--shadow-md);
}

.showcase-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-default);
}

.showcase-body {
    display: grid;
    grid-template-columns: 1fr 145px;
    gap: 16px;
    align-items: stretch;
}

.showcase-source {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.source-video-mock {
    background-color: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    padding: 18px 14px;
    margin-bottom: 12px;
    position: relative;
}

.crop-frame-indicator {
    width: 64px;
    height: 104px;
    margin: 0 auto;
    border: 2px dashed var(--accent-light);
    border-radius: 6px;
    background-color: rgba(124, 58, 237, 0.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-light);
}

.timeline-bars {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.timeline-track {
    height: 8px;
    background: var(--bg-base);
    border-radius: 99px;
    overflow: hidden;
    position: relative;
}

.timeline-highlight {
    position: absolute;
    top: 0;
    bottom: 0;
    background-color: var(--accent-violet);
    border-radius: 99px;
}

.showcase-vertical-preview {
    background-color: var(--bg-elevated);
    border: 1px solid var(--accent-soft-border);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
}

.phone-frame {
    aspect-ratio: 9 / 16;
    background-color: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: 10px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.phone-caption-mock {
    background-color: rgba(124, 58, 237, 0.2);
    border: 1px solid var(--accent-soft-border);
    color: #EDE9FE;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 5px 6px;
    border-radius: 4px;
}

/* Seções da Landing Page */
.section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.section-surface {
    background-color: var(--bg-surface);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 52px;
}

.section-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-light);
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(1.65rem, 3vw, 2.25rem);
    margin-bottom: 14px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Grids e Cards */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color var(--transition-base), transform var(--transition-base);
}

.section-surface .card {
    background-color: var(--bg-elevated);
}

.card-interactive:hover {
    border-color: var(--border-default);
    transform: translateY(-2px);
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background-color: var(--accent-soft-bg);
    border: 1px solid var(--accent-soft-border);
    color: var(--accent-light);
    font-weight: 700;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-default);
    color: var(--accent-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-text {
    font-size: 0.92rem;
    color: var(--text-secondary);
}

/* Demonstração Visual de Cortes */
.demo-clips-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.demo-clip-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.demo-clip-visual {
    padding: 20px;
    background-color: var(--bg-base);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: center;
}

.vertical-mock-screen {
    width: 165px;
    aspect-ratio: 9 / 16;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.mock-top-badges {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--text-secondary);
}

.mock-speaker-circle {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    margin: 0 auto;
    background-color: var(--accent-soft-bg);
    border: 1px solid var(--accent-soft-border);
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mock-waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    height: 24px;
}

.mock-waveform span {
    width: 3px;
    background-color: var(--accent-violet);
    border-radius: 2px;
}

.demo-clip-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
}

.demo-clip-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
}

/* CTA Banner Final */
.cta-banner {
    background-color: var(--bg-surface);
    border: 1px solid var(--accent-soft-border);
    border-radius: var(--radius-xl);
    padding: 48px 36px;
    text-align: center;
    max-width: 880px;
    margin: 0 auto;
}

/* Rodapé */
.site-footer {
    background-color: var(--bg-base);
    padding: 64px 0 32px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 36px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--border-subtle);
}

.footer-desc {
    margin-top: 14px;
    color: var(--text-secondary);
    max-width: 340px;
}

.footer-arch-note {
    margin-top: 12px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.footer-heading {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ==========================================================================
   AUTENTICAÇÃO (LOGIN & CADASTRO)
   ========================================================================== */
.layout-auth {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg-base);
}

.auth-wrapper {
    flex: 1;
    display: flex;
     flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-top-brand {
    margin-bottom: 28px;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    box-shadow: var(--shadow-md);
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.auth-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-footer-text {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.auth-link {
    color: var(--accent-light);
    font-weight: 600;
}

.auth-link:hover {
    text-decoration: underline;
}

/* Formulários e Inputs */
.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 7px;
}

.form-label {
    display: block;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 7px;
}

.form-label-row .form-label {
    margin-bottom: 0;
}

.form-hint {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.form-error-msg {
    display: none;
    font-size: 0.78rem;
    color: #F87171;
    margin-top: 6px;
}

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

.form-group.has-error .form-control {
    border-color: var(--status-error);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.92rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.16);
}

.input-with-action .form-control {
    padding-right: 44px;
}

.input-action-btn {
    position: absolute;
    right: 8px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.input-action-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-elevated);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.86rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    width: 16px;
    height: 16px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

/* Indicador de Força de Senha */
.password-strength {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.strength-bars {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}

.strength-bar {
    height: 4px;
    background-color: var(--border-default);
    border-radius: 2px;
    transition: background-color var(--transition-fast);
}

.strength-label {
    font-size: 0.74rem;
    color: var(--text-muted);
    min-width: 65px;
    text-align: right;
}

/* ==========================================================================
   LAYOUT DO PAINEL SAAS (DASHBOARD, PROJETOS, NOVO PROJETO, CONFIGURAÇÕES)
   ========================================================================== */
.app-shell {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-base);
}

.app-sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 200;
    transition: transform var(--transition-base);
}

.sidebar-header {
    height: 70px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-close-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.sidebar-cta {
    padding: 18px 16px 8px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 12px;
    overflow-y: auto;
}

.sidebar-group-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 12px 10px 6px;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.sidebar-link:hover {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
}

.sidebar-link.is-active {
    background-color: var(--accent-soft-bg);
    color: #DDD6FE;
    border: 1px solid var(--accent-soft-border);
}

.sidebar-link.is-active svg {
    color: var(--accent-light);
}

.sidebar-counter {
    margin-left: auto;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 99px;
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.worker-status-box {
    background-color: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.worker-status-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot-standby {
    background-color: var(--accent-light);
    box-shadow: 0 0 8px rgba(167, 139, 250, 0.6);
}

.worker-status-title {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--text-primary);
}

.worker-status-desc {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px;
    border-radius: var(--radius-md);
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background-color: var(--accent-soft-bg);
    border: 1px solid var(--accent-soft-border);
    color: var(--accent-light);
    font-weight: 700;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    display: block;
    font-size: 0.82rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-logout {
    color: var(--text-muted);
    padding: 6px;
    border-radius: var(--radius-sm);
}

.user-logout:hover {
    color: var(--text-primary);
    background-color: var(--bg-elevated);
}

/* Área Principal do App */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.app-topbar {
    min-height: 70px;
    padding: 14px 28px;
    background-color: rgba(16, 18, 26, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.sidebar-open-btn {
    display: none;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    padding: 7px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.topbar-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.topbar-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.demo-switcher {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    background-color: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.78rem;
}

.demo-switcher-label {
    color: var(--text-muted);
}

.app-content {
    padding: 28px;
    max-width: 1240px;
    width: 100%;
    margin: 0 auto;
}

/* Cards de Métricas do Dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 22px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.stat-label {
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.1;
    margin-bottom: 6px;
}

.stat-footnote {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background-color: var(--accent-soft-bg);
    border: 1px solid var(--accent-soft-border);
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Layout de Colunas do Dashboard */
.dashboard-columns {
    display: grid;
    grid-template-columns: 1.55fr 1fr;
    gap: 24px;
}

.panel-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.panel-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.panel-title {
    font-size: 1rem;
    font-weight: 700;
}

.panel-body {
    padding: 22px;
}

/* Estados Vazios (Empty States) */
.empty-state {
    text-align: center;
    padding: 40px 24px;
    border: 1px dashed var(--border-default);
    border-radius: var(--radius-md);
    background-color: rgba(12, 14, 21, 0.5);
}

.empty-state-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    margin: 0 auto 16px;
    background-color: var(--accent-soft-bg);
    border: 1px solid var(--accent-soft-border);
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.empty-state-text {
    font-size: 0.88rem;
    color: var(--text-secondary);
    max-width: 420px;
    margin: 0 auto 20px;
}

.empty-state-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* Lista de Atividades */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-subtle);
}

.activity-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.activity-dot {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-default);
    color: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-title {
    font-size: 0.88rem;
    font-weight: 600;
}

.activity-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.activity-time {
    font-size: 0.74rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ==========================================================================
   NOVO PROJETO (CONFIGURAÇÃO E PRÉVIA DE VÍDEO)
   ========================================================================== */
.new-project-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.95fr;
    gap: 24px;
    align-items: start;
}

.url-input-row {
    display: flex;
    gap: 10px;
}

.url-input-row .form-control {
    flex: 1;
}

.legal-notice-box {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    background-color: rgba(245, 158, 11, 0.07);
    border: 1px solid rgba(245, 158, 11, 0.3);
    margin: 18px 0;
}

.legal-notice-box svg {
    color: #FBBF24;
    flex-shrink: 0;
    margin-top: 2px;
}

.legal-notice-text {
    font-size: 0.83rem;
    color: #FDE68A;
    line-height: 1.5;
}

/* Opções de Formato (9:16 Vertical) */
.format-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.format-card {
    position: relative;
    cursor: pointer;
}

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

.format-card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 10px;
    border-radius: var(--radius-md);
    background-color: var(--bg-input);
    border: 1px solid var(--border-default);
    text-align: center;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.format-card input[type="radio"]:checked + .format-card-inner {
    border-color: var(--accent-violet);
    background-color: var(--accent-soft-bg);
}

.format-ratio-box {
    border: 2px solid var(--accent-light);
    border-radius: 3px;
    background-color: rgba(167, 139, 250, 0.15);
}

.ratio-9-16 { width: 18px; height: 32px; }
.ratio-1-1  { width: 24px; height: 24px; }
.ratio-16-9 { width: 32px; height: 18px; }

.format-name {
    font-size: 0.84rem;
    font-weight: 700;
}

.format-desc {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Prévia Visual do Vídeo */
.video-preview-box {
    background-color: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 16px;
}

.video-thumbnail-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: #07080C;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-thumbnail-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-preview-meta {
    padding: 16px;
    border-top: 1px solid var(--border-subtle);
}

.video-preview-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.video-preview-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.summary-spec-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
    font-size: 0.84rem;
}

.summary-spec-item {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
}

.summary-spec-item strong {
    color: var(--text-primary);
}

/* ==========================================================================
   TABELA / LISTA DE PROJETOS
   ========================================================================== */
.projects-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    min-width: 280px;
    flex: 1;
    max-width: 400px;
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box .form-control {
    padding-left: 38px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.data-table th {
    padding: 14px 18px;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    background-color: rgba(12, 14, 21, 0.5);
}

.data-table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.9rem;
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: rgba(27, 31, 46, 0.4);
}

.project-cell-title {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.project-cell-url {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: block;
    margin-top: 2px;
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   CONFIGURAÇÕES (TABS, PERFIL, PREFERÊNCIAS, SEGURANÇA, LIMITES)
   ========================================================================== */
.settings-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: start;
}

.settings-tabs {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.settings-tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.settings-tab-btn:hover {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
}

.settings-tab-btn.is-active {
    background-color: var(--accent-soft-bg);
    color: #DDD6FE;
    border-color: var(--accent-soft-border);
}

.settings-section {
    display: none;
}

.settings-section.is-active {
    display: block;
}

/* Barras de Consumo e Limites */
.usage-meter-card {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 18px;
    margin-bottom: 16px;
}

.usage-meter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.88rem;
}

.usage-bar-track {
    height: 8px;
    background-color: var(--bg-base);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 8px;
}

.usage-bar-fill {
    height: 100%;
    background-color: var(--accent-violet);
    border-radius: 99px;
}

/* Modal Leve */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(5, 6, 10, 0.78);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 500;
}

.modal-backdrop.is-open {
    display: flex;
}

.modal-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    padding: 28px;
    box-shadow: var(--shadow-md);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
}

.modal-footer {
    margin-top: 24px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ==========================================================================
   RESPONSIVIDADE (COMPUTADOR, TABLET E CELULAR)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid,
    .new-project-grid,
    .dashboard-columns {
        grid-template-columns: 1fr;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .demo-clips-grid,
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .settings-layout {
        grid-template-columns: 1fr;
    }

    .settings-tabs {
        flex-direction: row;
        overflow-x: auto;
    }

    .settings-tab-btn {
        width: auto;
        white-space: nowrap;
    }
}

@media (max-width: 820px) {
    .app-sidebar {
        transform: translateX(-100%);
    }

    .app-sidebar.is-open {
        transform: translateX(0);
    }

    .sidebar-close-btn,
    .sidebar-open-btn {
        display: inline-flex;
    }

    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.65);
        z-index: 150;
        display: none;
    }

    .sidebar-backdrop.is-open {
        display: block;
    }

    .app-main {
        margin-left: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .mobile-nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--bg-surface);
        border-bottom: 1px solid var(--border-default);
        padding: 20px 24px;
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
        display: none;
    }

    .site-nav.is-open {
        display: flex;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .header-actions {
        flex-direction: column;
    }

    .header-actions .btn {
        width: 100%;
    }
}

@media (max-width: 600px) {
    .grid-3,
    .grid-4,
    .grid-2,
    .demo-clips-grid,
    .form-row,
    .format-options,
    .showcase-body,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .url-input-row {
        flex-direction: column;
    }

    .app-content {
        padding: 18px;
    }

    .app-topbar {
        padding: 12px 16px;
    }

    .topbar-cta {
        display: none;
    }

    .auth-card {
        padding: 26px 20px;
    }
}