/* ══════════════════════════════════════════════════════════
   MarketingOS — Material Design 3 Theme
   Inspired by Curator/M3 design tokens
   ══════════════════════════════════════════════════════════ */

:root {
    /* ── M3 Color Tokens ─────────────────────────────────── */
    --primary: #6a1cf6;
    --primary-dark: #5600e0;
    --primary-light: #ac8eff;
    --primary-bg: rgba(106,28,246,0.08);
    --primary-container: #ac8eff;
    --on-primary: #f7f0ff;
    --on-primary-container: #2a0070;

    --secondary: #006571;
    --secondary-container: #26e6ff;
    --on-secondary: #d8f8ff;

    --tertiary: #652fe7;
    --tertiary-container: #b8a3ff;

    --success: #10b981;
    --success-bg: #d1fae5;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --danger: #b41340;
    --danger-bg: #fee2e2;
    --info: #3b82f6;
    --info-bg: #dbeafe;

    /* ── Surface Tokens ──────────────────────────────────── */
    --surface: #f5f6f7;
    --surface-dim: #d1d5d7;
    --surface-bright: #f5f6f7;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #eff1f2;
    --surface-container: #e6e8ea;
    --surface-container-high: #e0e3e4;
    --surface-container-highest: #dadddf;
    --surface-variant: #dadddf;
    --on-surface: #2c2f30;
    --on-surface-variant: #595c5d;
    --inverse-surface: #0c0f10;
    --inverse-on-surface: #9b9d9e;
    --outline: #757778;
    --outline-variant: #abadae;

    /* ── Sidebar ─────────────────────────────────────────── */
    --sidebar-bg: var(--surface-container-low);
    --sidebar-hover: var(--surface-container-high);
    --sidebar-active: var(--surface-container-high);
    --sidebar-text: var(--on-surface-variant);
    --sidebar-text-active: var(--primary);
    --sidebar-width: 272px;

    /* ── Legacy aliases ──────────────────────────────────── */
    --bg: var(--surface);
    --bg-card: var(--surface-container-lowest);
    --bg-secondary: var(--surface-container);
    --text: var(--on-surface);
    --text-secondary: var(--on-surface-variant);
    --text-muted: var(--outline);
    --border: var(--outline-variant);

    /* ── Shape & Motion ──────────────────────────────────── */
    --radius: 1rem;
    --radius-sm: 0.5rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    --shadow: 0 1px 3px rgba(44,47,48,0.04);
    --shadow-md: 0 4px 12px rgba(44,47,48,0.06);
    --shadow-lg: 0 24px 48px rgba(44,47,48,0.06);
    --transition: 0.3s cubic-bezier(0.2, 0, 0, 1);
    --transition-fast: 0.15s cubic-bezier(0.2, 0, 0, 1);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--on-surface);
    background: var(--surface);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 0.95rem; }

h1, h2, h3, h4, h5 {
    font-family: 'Plus Jakarta Sans', 'Manrope', sans-serif;
    letter-spacing: -0.025em;
}

/* ══════════════════════════════════════════════════════════
   LOGIN / REGISTRO
   ══════════════════════════════════════════════════════════ */
.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--surface);
    position: relative;
    padding: 2rem;
    overflow: hidden;
}
.auth-wrapper::before {
    content: '';
    position: absolute;
    top: -40%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(106,28,246,0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: authPulse 6s ease-in-out infinite;
}
.auth-wrapper::after {
    content: '';
    position: absolute;
    bottom: -30%; left: -15%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(101,47,231,0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: authPulse 8s ease-in-out infinite reverse;
}
@keyframes authPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
}
.auth-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    position: relative;
    z-index: 1;
    animation: authCardIn 0.5s cubic-bezier(0.2, 0, 0, 1);
}
@keyframes authCardIn {
    from { opacity: 0; transform: translateY(24px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.auth-card .logo {
    text-align: center;
    margin-bottom: 2rem;
}
.auth-card .logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.auth-card .logo p {
    color: var(--on-surface-variant);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    font-weight: 500;
}
.auth-card h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--on-surface);
    font-weight: 700;
}

/* ══════════════════════════════════════════════════════════
   FORMULARIOS
   ══════════════════════════════════════════════════════════ */
.form-group {
    margin-bottom: 1.15rem;
}
.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--on-surface-variant);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-control {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid var(--outline-variant);
    border-radius: var(--radius);
    background: var(--surface-container-lowest);
    color: var(--on-surface);
    transition: all var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(106,28,246,0.12);
}
.form-control::placeholder { color: var(--outline); }
textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%23757778' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.85rem center;
    padding-right: 2.25rem;
}

/* ── Botones ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.35rem;
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: 700;
    transition: all var(--transition);
    text-decoration: none !important;
    white-space: nowrap;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--transition-fast);
    border-radius: inherit;
}
.btn:hover::after { opacity: 0.08; }
.btn:active { transform: scale(0.96); }
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: var(--on-primary);
    box-shadow: 0 4px 14px rgba(106,28,246,0.25);
}
.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(106,28,246,0.35);
    transform: translateY(-1px);
}
.btn-primary:active { transform: scale(0.96) translateY(0); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { box-shadow: 0 4px 14px rgba(16,185,129,0.3); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { box-shadow: 0 4px 14px rgba(180,19,64,0.3); }
.btn-warning { background: var(--warning); color: #fff; }
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-bg); }
.btn-ghost {
    background: transparent;
    color: var(--on-surface-variant);
}
.btn-ghost:hover { background: var(--surface-container-high); color: var(--on-surface); }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.8rem; }
.btn-lg { padding: 0.8rem 1.85rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }
.btn-icon {
    width: 38px; height: 38px;
    padding: 0; display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--radius-full);
}

/* ══════════════════════════════════════════════════════════
   LAYOUT SPA
   ══════════════════════════════════════════════════════════ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 100;
    padding: 1.75rem 1.25rem;
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    box-shadow: var(--shadow-lg);
    transition: transform 0.35s cubic-bezier(0.2, 0, 0, 1);
}
.sidebar-header {
    padding: 0 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}
.sidebar-header .sidebar-icon {
    width: 40px; height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.sidebar-header .sidebar-icon svg { width: 20px; height: 20px; color: var(--on-primary); }
.sidebar-header h1 {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--primary);
    line-height: 1;
}
.sidebar-header h1 span { color: var(--primary-light); }
.sidebar-header .agency-name {
    font-size: 0.72rem;
    color: var(--on-surface-variant);
    font-weight: 500;
    margin-top: 2px;
}
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
}
.nav-section {
    margin-bottom: 1.5rem;
}
.nav-section-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--outline);
    padding: 0 0.85rem;
    margin-bottom: 0.5rem;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.7rem 0.85rem;
    border-radius: var(--radius-full);
    color: var(--on-surface-variant);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none !important;
    margin-bottom: 0.15rem;
}
.nav-item:hover {
    background: var(--surface-container-high);
    color: var(--primary);
}
.nav-item.active {
    background: var(--surface-container-high);
    color: var(--primary);
    font-weight: 700;
}
.nav-item svg, .nav-item .material-symbols-outlined { width: 20px; height: 20px; flex-shrink: 0; font-size: 20px; }

.sidebar-footer {
    padding: 0.5rem 0 0;
    border-top: 1px solid var(--outline-variant);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
}
.sidebar-footer .nav-item { color: var(--outline); font-size: 0.85rem; }

/* ── Main Content ────────────────────────────────────────── */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2.5rem;
    background: transparent;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(245,246,247,0.8);
}
.top-bar h2 {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}
.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.page-content {
    padding: 0 2.5rem 2.5rem;
}

/* ══════════════════════════════════════════════════════════
   TARJETAS / CARDS
   ══════════════════════════════════════════════════════════ */
.card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: none;
    transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.15rem 1.5rem;
    border-bottom: 1px solid var(--surface-container);
}
.card-header h3 { font-size: 1.05rem; font-weight: 700; }
.card-body { padding: 1.5rem; }
.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--surface-container);
    background: var(--surface-container-low);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ── Stats Cards ─────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.stat-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.35rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-container));
    opacity: 0;
    transition: opacity var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-card:hover::before { opacity: 1; }
.stat-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.stat-icon.primary { background: var(--primary-bg); color: var(--primary); }
.stat-icon.success { background: var(--success-bg); color: var(--success); }
.stat-icon.warning { background: var(--warning-bg); color: var(--warning); }
.stat-icon.info { background: var(--info-bg); color: var(--info); }
.stat-icon svg { width: 24px; height: 24px; }
.stat-info h4 {
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
}
.stat-info p {
    font-size: 0.82rem;
    color: var(--on-surface-variant);
    margin-top: 0.25rem;
    font-weight: 500;
}

/* ══════════════════════════════════════════════════════════
   TABLAS
   ══════════════════════════════════════════════════════════ */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.8rem 1.25rem; text-align: left; }
thead th {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--on-surface-variant);
    border-bottom: 1px solid var(--surface-container);
}
tbody tr { border-bottom: 1px solid var(--surface-container-low); transition: background var(--transition-fast); }
tbody tr:hover { background: var(--surface-container-low); }
tbody tr:last-child { border-bottom: none; }

/* ══════════════════════════════════════════════════════════
   BADGES / TAGS
   ══════════════════════════════════════════════════════════ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.22rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-success { background: var(--success-bg); color: #065f46; }
.badge-warning { background: var(--warning-bg); color: #92400e; }
.badge-danger { background: var(--danger-bg); color: #991b1b; }
.badge-info { background: var(--info-bg); color: #1e40af; }
.badge-primary { background: var(--primary-bg); color: var(--primary); }
.badge-muted { background: var(--surface-container); color: var(--outline); }

/* ══════════════════════════════════════════════════════════
   MODAL
   ══════════════════════════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(12,15,16,0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.2, 0, 0, 1);
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(32px) scale(0.95);
    transition: transform 0.35s cubic-bezier(0.2, 0, 0, 1);
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.35rem 1.75rem;
    border-bottom: 1px solid var(--surface-container);
}
.modal-header h3 { font-size: 1.15rem; font-weight: 800; letter-spacing: -0.02em; }
.modal-close {
    background: var(--surface-container-high); border: none; color: var(--on-surface-variant);
    font-size: 1.2rem; line-height: 1; padding: 0;
    cursor: pointer; transition: all var(--transition);
    width: 32px; height: 32px; border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: var(--surface-container-highest); color: var(--on-surface); }
.modal-body { padding: 1.75rem; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.75rem;
    border-top: 1px solid var(--surface-container);
    background: var(--surface-container-low);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ══════════════════════════════════════════════════════════
   PIPELINE
   ══════════════════════════════════════════════════════════ */
.pipeline-stepper {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    padding: 1.25rem 0.75rem;
}
.pipeline-step {
    flex: 1;
    min-width: 120px;
    position: relative;
    text-align: center;
    padding: 0 0.25rem;
    cursor: pointer;
    transition: transform var(--transition);
}
.pipeline-step:hover { transform: translateY(-3px); }
.pipeline-step::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--surface-container-high);
    transition: background var(--transition);
}
.pipeline-step:last-child::after { display: none; }
.step-circle {
    width: 40px; height: 40px;
    border-radius: var(--radius-full);
    background: var(--surface-container);
    border: 2px solid var(--outline-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    position: relative;
    z-index: 2;
    font-weight: 800;
    font-size: 0.82rem;
    color: var(--outline);
    transition: all var(--transition);
}
.pipeline-step.completed .step-circle {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}
.pipeline-step.completed::after { background: var(--success); }
.pipeline-step.active .step-circle {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--on-primary);
    box-shadow: 0 0 0 4px rgba(106,28,246,0.15);
    animation: stepPulse 2s ease-in-out infinite;
}
@keyframes stepPulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(106,28,246,0.15); }
    50% { box-shadow: 0 0 0 8px rgba(106,28,246,0.08); }
}
.pipeline-step.active::after { background: linear-gradient(90deg, var(--primary), var(--surface-container-high)); }
.pipeline-step.validated .step-circle {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}
.pipeline-step.validated::after { background: var(--success); }
.pipeline-step.locked .step-circle {
    background: var(--surface-container-low);
    border-color: var(--surface-container-high);
    color: var(--surface-container-highest);
}
.step-label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--on-surface-variant);
    line-height: 1.3;
}
.pipeline-step.locked .step-label { color: var(--outline); }

/* ── Phase Cards ─────────────────────────────────────────── */
.phase-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.phase-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.phase-card.phase-active { border-left: 3px solid var(--primary); }
.phase-card.phase-completed { border-left: 3px solid var(--success); }
.phase-card.phase-validated { border-left: 3px solid var(--success); }
.phase-card.phase-locked { opacity: 0.55; }
.phase-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    gap: 0.75rem;
}
.phase-header h4 { font-size: 0.95rem; font-weight: 700; margin: 0; }
.phase-header .phase-subtitle { font-size: 0.75rem; color: var(--outline); margin-top: 1px; }
.phase-summary {
    padding: 0 1.25rem 1rem;
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--on-surface-variant);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    cursor: pointer;
    transition: color var(--transition-fast);
}
.phase-summary:hover { color: var(--on-surface); }
.phase-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--surface-container);
    align-items: center;
    flex-wrap: wrap;
    background: var(--surface-container-low);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.phase-output-full {
    font-size: 0.88rem;
    line-height: 1.8;
    color: var(--on-surface);
}
.phase-output-full h3 { margin: 1.25rem 0 0.5rem; color: var(--primary-dark); font-size: 1.05rem; }
.phase-output-full h4 { margin: 1rem 0 0.4rem; color: var(--primary); font-size: 0.95rem; }
.phase-output-full h5 { margin: 0.75rem 0 0.3rem; color: var(--tertiary); font-size: 0.88rem; }
.phase-output-full li { margin-left: 1.2rem; margin-bottom: 0.3rem; }
.phase-output-full strong { color: var(--on-surface); }
.phase-output-full pre.code-block {
    background: var(--inverse-surface);
    color: var(--inverse-on-surface);
    padding: 1.25rem;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 0.82rem;
    line-height: 1.6;
    margin: 0.75rem 0;
    white-space: pre-wrap;
    word-break: break-word;
}
.phase-output-full code.inline-code {
    background: var(--primary-bg);
    padding: 0.15rem 0.45rem;
    border-radius: var(--radius-sm);
    font-size: 0.85em;
    color: var(--primary);
}
.phase-output-meta {
    display: flex;
    gap: 1rem;
    padding: 0.6rem 0.85rem;
    background: var(--surface-container-low);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    font-size: 0.78rem;
    color: var(--outline);
    flex-wrap: wrap;
}
.phase-output-meta span { display: inline-flex; align-items: center; gap: 0.25rem; }
.phase-user-inputs {
    background: var(--surface-container-low);
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--surface-container);
    margin-bottom: 0.5rem;
}
.modal.modal-phase { max-width: 820px; }

.btn-pdf {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--danger);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-pdf:hover { box-shadow: 0 4px 12px rgba(180,19,64,0.3); }

/* ══════════════════════════════════════════════════════════
   API KEY CARDS
   ══════════════════════════════════════════════════════════ */
.provider-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}
.provider-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow);
    padding: 1.5rem;
    position: relative;
    transition: all var(--transition);
}
.provider-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.provider-card .provider-logo {
    display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
}
.provider-card .provider-logo .icon-circle {
    width: 44px; height: 44px;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 1rem; color: #fff;
}
.provider-openai .icon-circle { background: linear-gradient(135deg, #10a37f, #1abf90); }
.provider-anthropic .icon-circle { background: linear-gradient(135deg, #d97706, #f59e0b); }
.provider-google .icon-circle { background: linear-gradient(135deg, #4285f4, #669df6); }
.provider-card .provider-name { font-weight: 800; font-size: 1.05rem; }
.provider-card .provider-desc { font-size: 0.82rem; color: var(--on-surface-variant); }
.provider-status {
    display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; font-weight: 600; margin-bottom: 1rem;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-dot.active { background: var(--success); box-shadow: 0 0 6px rgba(16,185,129,0.4); }
.status-dot.inactive { background: var(--outline); }

/* ══════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ══════════════════════════════════════════════════════════ */
.toast-container {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 500;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.35rem;
    border-radius: var(--radius-lg);
    background: var(--surface-container-lowest);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    min-width: 300px;
    max-width: 420px;
    animation: toastIn 0.4s cubic-bezier(0.2, 0, 0, 1);
    font-size: 0.88rem;
    font-weight: 500;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.info { border-left-color: var(--info); }
.toast.warning { border-left-color: var(--warning); }
.toast-exit { animation: toastOut 0.35s cubic-bezier(0.2, 0, 0, 1) forwards; }
@keyframes toastIn {
    from { transform: translateX(100%) scale(0.9); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}
@keyframes toastOut {
    from { transform: translateX(0) scale(1); opacity: 1; }
    to { transform: translateX(100%) scale(0.9); opacity: 0; }
}

/* ══════════════════════════════════════════════════════════
   SPINNER
   ══════════════════════════════════════════════════════════ */
.spinner {
    width: 20px; height: 20px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
}
.spinner-dark {
    border-color: rgba(0,0,0,0.08);
    border-top-color: var(--primary);
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--outline);
    gap: 1rem;
}

/* ══════════════════════════════════════════════════════════
   EMPTY STATE
   ══════════════════════════════════════════════════════════ */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--outline);
}
.empty-state svg { width: 64px; height: 64px; margin-bottom: 1rem; opacity: 0.35; }
.empty-state h4 { font-size: 1.15rem; color: var(--on-surface-variant); margin-bottom: 0.5rem; font-weight: 700; }
.empty-state p { font-size: 0.88rem; margin-bottom: 1.5rem; }

/* ══════════════════════════════════════════════════════════
   BRAND DNA
   ══════════════════════════════════════════════════════════ */
.dna-fields { display: grid; gap: 1rem; }
.dna-field label {
    display: block; font-size: 0.82rem; font-weight: 600;
    color: var(--on-surface-variant); margin-bottom: 0.25rem;
}
.tag-input-wrap {
    display: flex; flex-wrap: wrap; gap: 0.35rem; padding: 0.4rem;
    border: 1.5px solid var(--outline-variant); border-radius: var(--radius);
    min-height: 40px; cursor: text; transition: border-color var(--transition);
}
.tag-input-wrap:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(106,28,246,0.1); }
.tag-input-wrap .tag {
    display: inline-flex; align-items: center; gap: 0.3rem;
    background: var(--primary-bg); color: var(--primary);
    padding: 0.15rem 0.55rem; border-radius: var(--radius-full);
    font-size: 0.8rem; font-weight: 600;
}
.tag-input-wrap .tag button {
    background: none; border: none; color: inherit;
    font-size: 1rem; line-height: 1; cursor: pointer; opacity: 0.6;
}
.tag-input-wrap .tag button:hover { opacity: 1; }
.tag-input-wrap input {
    border: none; outline: none; flex: 1; min-width: 80px;
    padding: 0.2rem; font-size: 0.88rem;
}

/* ══════════════════════════════════════════════════════════
   BRAND CARDS (Brands Tab)
   ══════════════════════════════════════════════════════════ */
.brand-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.25rem;
}
.brand-card-item {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    overflow: hidden;
}
.brand-card-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--on-surface);
    font-size: 1.5rem;
    padding: 0.25rem;
    cursor: pointer;
}

/* ── Tablet < 1024px ─────────────────────────────────────── */
@media (max-width: 1024px) {
    :root { --sidebar-width: 240px; }
    .page-content { padding: 0 1.5rem 1.5rem; }
    .top-bar { padding: 1rem 1.5rem; }
}

/* ── Mobile < 768px ──────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-110%);
        width: 280px;
        border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .mobile-toggle { display: flex; }
    .page-content { padding: 0 1rem 1rem; }
    .top-bar { padding: 0.85rem 1rem; }
    .top-bar h2 { font-size: 1.1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .stat-card { padding: 1rem; }
    .stat-info h4 { font-size: 1.4rem; }
    .pipeline-stepper { flex-direction: column; padding: 1rem; }
    .pipeline-step::after { display: none; }
    .pipeline-step { min-width: unset; text-align: left; display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0; }
    .step-circle { margin: 0; }
    .provider-cards { grid-template-columns: 1fr; }
    .modal { margin: 1rem; max-height: 95vh; border-radius: var(--radius-lg); }
    .modal-overlay { padding: 0.5rem; }
    .auth-card { padding: 1.75rem; }
    .auth-wrapper::before, .auth-wrapper::after { display: none; }
    .brand-cards-grid { grid-template-columns: 1fr; }
}

/* ── Small Mobile < 480px ────────────────────────────────── */
@media (max-width: 480px) {
    html { font-size: 14px; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-card { flex-direction: column; text-align: center; align-items: center; }
    .page-content { padding: 0 0.75rem 0.75rem; }
    .top-bar { padding: 0.75rem; }
}

/* ── Sidebar overlay on mobile ───────────────────────────── */
@media (max-width: 768px) {
    .sidebar.open::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(12,15,16,0.35);
        z-index: -1;
    }
}

/* ══════════════════════════════════════════════════════════
   UTILIDADES
   ══════════════════════════════════════════════════════════ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--outline) !important; }
.text-sm { font-size: 0.82rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none !important; }

/* ── Smooth scrollbar ────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-container-highest); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--outline-variant); }

/* ── Selection ───────────────────────────────────────────── */
::selection { background: rgba(106,28,246,0.15); color: var(--on-surface); }

/* ── Focus visible ───────────────────────────────────────── */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ── Stock Photos ────────────────────────────────────────── */
.stock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}
.stock-thumb {
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow);
    position: relative;
}
.stock-thumb:hover { transform: scale(1.03); box-shadow: var(--shadow-md); }
.stock-thumb img { width: 100%; height: 180px; object-fit: cover; display: block; }