/* Variables */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --canvas-border: #cbd5e1;
    --highlight: #3b82f6;
    --radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Modo Oscuro */
[data-theme="dark"] {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --canvas-border: #475569;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.main-header {
    background-color: var(--card-bg);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-main);
}

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

/* Filtro para logo blanco en modo claro */
.logo img {
    filter: brightness(0); /* Convertir logo blanco a negro en modo claro */
    transition: filter 0.3s;
}

[data-theme="dark"] .logo img {
    filter: brightness(1); /* Mantener blanco en modo oscuro */
}

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-muted);
    margin-left: 1.5rem;
    font-weight: 600;
    transition: color 0.2s;
}

.main-nav a.btn-primary {
    color: white;
}

.main-nav a:hover:not(.btn-primary) {
    color: var(--primary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 3rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s, transform 0.1s;
    font-size: 1rem;
}

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

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

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

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

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

.btn-success {
    background-color: #059669;
    color: white;
    border: 1px solid #059669;
}

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

.btn-danger {
    background-color: transparent;
    color: #ef4444;
    border: 1px solid #ef4444;
}

.btn-danger:hover {
    background-color: #ef4444;
    color: white;
}

/* Forms */
.form-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group .help-text {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-main);
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Lean Canvas Grid */
.canvas-wrapper {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    overflow-x: auto;
}

.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.canvas-title h2 {
    margin-bottom: 0.25rem;
}

.canvas-title p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.canvas-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(3, minmax(150px, auto));
    gap: 0;
    border: 2px solid var(--border-color);
    background: var(--border-color);
    min-width: 900px;
}

.canvas-box {
    background: var(--card-bg);
    padding: 15px;
    border: 1px solid var(--border-color);
}

.canvas-box h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-main);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.canvas-box p {
    font-size: 0.9rem;
    white-space: pre-wrap;
}

.suggestion-text {
    font-size: 0.8rem !important;
    color: #059669;
    font-style: italic;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
}

/* Grid layout mapping */
.box-problem { grid-column: 1 / 3; grid-row: 1 / 3; }
.box-solution { grid-column: 3 / 5; grid-row: 1 / 2; }
.box-metrics { grid-column: 3 / 5; grid-row: 2 / 3; }
.box-value { grid-column: 5 / 7; grid-row: 1 / 3; }
.box-advantage { grid-column: 7 / 9; grid-row: 1 / 2; }
.box-channels { grid-column: 7 / 9; grid-row: 2 / 3; }
.box-segments { grid-column: 9 / 11; grid-row: 1 / 3; }
.box-costs { grid-column: 1 / 6; grid-row: 3 / 4; }
.box-revenue { grid-column: 6 / 11; grid-row: 3 / 4; }

.canvas-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Tables */
.table-container {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-color);
    font-weight: 600;
}

tr:hover td {
    background-color: var(--bg-color);
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    .main-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }
    .main-nav a {
        margin: 0 0.5rem;
    }
    .hero h1 {
        font-size: 1.8rem;
    }
    .hero p {
        font-size: 1rem;
    }
    /* Stack canvas blocks vertically */
    .canvas-grid {
        display: flex;
        flex-direction: column;
        min-width: 100%;
        border: none;
        background: transparent;
        gap: 1rem;
    }
    .canvas-box {
        border: 1px solid var(--border-color);
        border-radius: var(--radius);
        box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    }
    /* Scrollable tables */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* Wrap canvas actions */
    .canvas-actions {
        flex-direction: column;
        align-items: stretch !important;
    }
    .canvas-actions a {
        text-align: center;
    }
}

/* AI Loading Overlay */
.ai-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.85); /* Dark semi-transparent background */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(4px);
}

.ai-loader-overlay.active {
    opacity: 1;
    visibility: visible;
}

.ai-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border-top-color: #3b82f6; /* Primary blue */
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ai-loader-text {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 10px;
}

.ai-loader-subtext {
    color: #94a3b8;
    font-size: 1rem;
    text-align: center;
    max-width: 400px;
}

/* ==========================================================================
   Estilos Adicionales: Canva Resumen (Post-its) y Sostenibilidad
   ========================================================================== */

/* Pestañas (Tabs) */
.canvas-tabs {
    border-bottom: 2px solid var(--border-color);
}
.tab-btn {
    transition: all 0.3s ease;
}
.tab-btn:hover {
    color: var(--text-main) !important;
}

/* Post-it Notes */
.resumen-grid .canvas-box {
    display: flex;
    flex-direction: column;
}
.post-it-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 5px;
    height: 100%;
}
.post-it {
    background: #fef08a; /* Base amarilla */
    background: linear-gradient(135deg, #fef08a 0%, #fde047 100%);
    color: #1c1917;
    width: 100%;
    height: 100%;
    min-height: 120px;
    padding: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transform: rotate(-1.2deg);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 2px;
    font-family: 'Caveat', cursive;
    font-size: 1.15rem;
    line-height: 1.3;
}
/* Rotaciones y tonalidades HSL variadas para simular notas reales */
.resumen-grid div:nth-child(2n) .post-it {
    transform: rotate(1.5deg);
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%); /* Naranja */
}
.resumen-grid div:nth-child(3n) .post-it {
    transform: rotate(-1.5deg);
    background: linear-gradient(135deg, #bfdbfe 0%, #93c5fd 100%); /* Azul */
}
.resumen-grid div:nth-child(4n) .post-it {
    transform: rotate(1.2deg);
    background: linear-gradient(135deg, #bbf7d0 0%, #86efac 100%); /* Verde */
}
.resumen-grid div:nth-child(5n) .post-it {
    transform: rotate(-1deg);
    background: linear-gradient(135deg, #fbcfe8 0%, #f9a8d4 100%); /* Rosa */
}
.post-it:hover {
    transform: scale(1.05) rotate(0deg);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
    z-index: 10;
}
.post-it ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}
.post-it li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 6px;
    font-weight: 700;
}
.post-it li::before {
    content: "📍";
    position: absolute;
    left: 0;
    top: 1px;
    font-size: 0.8rem;
}

/* Sostenibilidad: Wizard & Form */
.wizard-step {
    user-select: none;
    font-size: 1rem;
}
.step-content {
    animation: fadeIn 0.4s ease-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.info-card {
    transition: background-color 0.3s, border-color 0.3s;
}

/* Sello Agroverso animaciones */
.sello-premium {
    position: relative;
    overflow: hidden;
}
.sello-premium::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0) 40%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 60%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(45deg);
    animation: shineSello 4s infinite ease-in-out;
}
@keyframes shineSello {
    0% { transform: translate(-30%, -30%) rotate(45deg); }
    20% { transform: translate(30%, 30%) rotate(45deg); }
    100% { transform: translate(30%, 30%) rotate(45deg); }
}

/* Imprimir Reporte de Sostenibilidad / Canvas Resumen */
@media print {
    body {
        background: white !important;
        color: black !important;
        font-size: 11pt !important;
    }
    header, footer, .canvas-actions, .canvas-tabs, #conceptoToggleIcon, #btnToggleVista, #btnPrevStep, #btnNextStep, #btnSubmitForm, .no-print, .main-header, .main-footer {
        display: none !important;
    }
    .container, .main-content {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    .sostenibilidad-container {
        display: block !important;
        padding: 0 !important;
    }
    .info-card {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        background: #f8fafc !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        page-break-inside: avoid;
    }
    #conceptoBody {
        display: grid !important; /* Force expand on print */
    }
    
    /* Grid de Canvas Resumen */
    .resumen-wrapper {
        display: block !important;
    }
    .resumen-grid {
        display: grid !important;
        grid-template-columns: repeat(10, 1fr) !important;
        grid-template-rows: repeat(3, minmax(130px, auto)) !important;
        background: #cbd5e1 !important;
        border: 2px solid #cbd5e1 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        page-break-inside: avoid;
    }
    
    /* Post-its on print */
    .post-it {
        box-shadow: none !important;
        border: 1px solid #cbd5e1 !important;
        background: #fef9c3 !important; /* Force standard light yellow for ink savings */
        transform: none !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .resumen-grid div:nth-child(2n) .post-it { background: #ffedd5 !important; }
    .resumen-grid div:nth-child(3n) .post-it { background: #dbeafe !important; }
    .resumen-grid div:nth-child(4n) .post-it { background: #dcfce7 !important; }
    .resumen-grid div:nth-child(5n) .post-it { background: #fce7f3 !important; }
    
    /* Dashboard on print */
    #dashboardSection {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
        page-break-inside: avoid;
    }
    
    #dashboardSection > div:first-child {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important; /* Radar on left, Gauge/Seal on right */
        gap: 1.5rem !important;
        page-break-inside: avoid;
    }
    
    #recsContainer {
        grid-template-columns: 1fr 1fr 1fr !important;
        gap: 1rem !important;
        page-break-inside: avoid;
    }
}