/* Estilos Generales y Variables CSS (Default Palette - "Oceanic") */
@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@300..700&family=Lexend:wght@300..900&family=Space+Grotesk:wght@300..700&family=Poppins:wght@300..900&family=Courier+Prime:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
    --bg-color-light: #e0f7fa;
    --text-color-light: #004d40;
    --primary-color-light: #00796b;
    --secondary-color-light: #004d40;
    --card-bg-light: #ffffff;
    --border-color-light: #b2dfdb;
    --accent-color-light: #ff6f00;
    --shadow-color-light: rgba(0, 77, 64, 0.15);

    --bg-color-dark: #00251a;
    --text-color-dark: #b2dfdb;
    --primary-color-dark: #4db6ac;
    --secondary-color-dark: #80cbc4;
    --card-bg-dark: #003d33;
    --border-color-dark: #004d40;
    --accent-color-dark: #ffa000;
    --shadow-color-dark: rgba(77, 182, 172, 0.2);

    --font-family-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --success-color-light: #2e7d32;
    --success-color-dark: #81c784;
    --error-color-light: #c62828;
    --error-color-dark: #ef9a9a;
    --radius-lg: 15px;
    --radius-md: 10px;
    --radius-sm: 8px;
    --card-shadow: 0 8px 25px var(--shadow-color-light);
}

/* --- Visual Themes --- */
.theme-default {
    --radius-lg: 15px; --radius-md: 10px; --radius-sm: 8px;
    --font-family-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.theme-moderno {
    --radius-lg: 16px; --radius-md: 12px; --radius-sm: 10px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
.theme-corporativo {
    --radius-lg: 6px; --radius-md: 4px; --radius-sm: 4px;
    --font-family-main: 'Georgia', 'Times New Roman', serif;
}
.theme-creativo {
    --radius-lg: 28px; --radius-md: 22px; --radius-sm: 18px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
.theme-minimalista {
    --radius-lg: 4px; --radius-md: 2px; --radius-sm: 2px;
    --font-family-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --card-shadow: none;
}
.theme-glass {
    --radius-lg: 20px; --radius-md: 16px; --radius-sm: 14px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
body.theme-glass {
    background: linear-gradient(135deg, var(--primary-color-light), var(--secondary-color-light));
    background-attachment: fixed;
}
body.dark-mode.theme-glass {
    background: linear-gradient(135deg, var(--primary-color-dark), var(--secondary-color-dark));
}
body.theme-glass .container, body.theme-glass .tutorial-step {
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    background-color: rgba(255,255,255,0.55) !important;
}
body.dark-mode.theme-glass .container, body.dark-mode.theme-glass .tutorial-step {
    background-color: rgba(0,0,0,0.55) !important;
}
.theme-darkneon {
    --radius-lg: 14px; --radius-md: 10px; --radius-sm: 8px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
body.theme-darkneon {
    background-color: #0a0e1a !important; color: #e8ecff !important;
}
body.theme-darkneon .container { background-color: #11172a !important; border-color: #232c4d; }
body.theme-darkneon .tutorial-step { background-color: #161d35 !important; border-color: #232c4d; }
body.theme-darkneon header { border-bottom-color: #232c4d; }
body.theme-darkneon footer { border-top-color: #232c4d; color: #8b93b8; }
body.theme-darkneon h1, body.theme-darkneon h3 { color: #818cf8 !important; }
body.theme-darkneon .control-group label { color: #8b93b8; }
body.theme-darkneon #topicInput, body.theme-darkneon #expertInput, body.theme-darkneon #paletteSelect, body.theme-darkneon #textModelSelect, body.theme-darkneon #imageModelSelect, body.theme-darkneon #artStyleSelect {
    background-color: #161d35; color: #e8ecff; border-color: #232c4d;
}
.theme-brutalista {
    --radius-lg: 0px; --radius-md: 0px; --radius-sm: 0px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
body.theme-brutalista .container { border: 3px solid #111; box-shadow: 8px 8px 0 #111; }
body.theme-brutalista .tutorial-step { border: 2.5px solid #111; box-shadow: 5px 5px 0 #111; }
body.theme-brutalista button { border: 2px solid #111; box-shadow: 3px 3px 0 #111; }
.theme-vibrante {
    --radius-lg: 18px; --radius-md: 14px; --radius-sm: 12px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
body.theme-vibrante {
    background: linear-gradient(120deg, #f093fb 0%, #f5576c 100%) !important;
}
body.dark-mode.theme-vibrante {
    background: linear-gradient(120deg, #301b3f 0%, #1a0033 100%) !important;
}
body.theme-vibrante header h1 { color: #ffffff !important; text-shadow: 2px 2px 4px rgba(0,0,0,0.2); }
.theme-editorial {
    --radius-lg: 0px; --radius-md: 0px; --radius-sm: 6px;
    --font-family-main: 'Georgia', 'Times New Roman', serif;
    --card-shadow: none;
}
body.theme-editorial header { border-bottom: 3px double var(--primary-color-light); }
body.theme-editorial .tutorial-step { border: none; border-top: 1px solid var(--primary-color-light); box-shadow: none; }
body.dark-mode.theme-editorial header { border-bottom-color: var(--primary-color-dark); }
body.dark-mode.theme-editorial .tutorial-step { border-top-color: var(--primary-color-dark); }
.theme-terminal {
    --radius-lg: 0px; --radius-md: 0px; --radius-sm: 0px;
    --font-family-main: 'Courier New', 'Consolas', monospace;
}
body.theme-terminal {
    background-color: #050505 !important;
    color: #33ff33 !important;
}
body.theme-terminal .container {
    background-color: #0a0a0a !important;
    border: 1px solid #33ff33;
    box-shadow: 0 0 15px rgba(51, 255, 51, 0.2);
}
body.theme-terminal .tutorial-step {
    background-color: #0e0e0e !important;
    border: 1px dashed #33ff33;
}
body.theme-terminal button {
    background-color: #151515 !important;
    color: #33ff33 !important;
    border: 1px solid #33ff33 !important;
}
body.theme-terminal input, body.theme-terminal select {
    background-color: #0f0f0f !important;
    color: #33ff33 !important;
    border: 1px solid #33ff33 !important;
}
.theme-infografico {
    --radius-lg: 24px; --radius-md: 18px; --radius-sm: 14px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
body.theme-infografico .tutorial-step { border: 2.5px dashed var(--border-color-light); }
body.dark-mode.theme-infografico .tutorial-step { border-style: dashed; }
.theme-retro {
    --radius-lg: 12px; --radius-md: 8px; --radius-sm: 6px;
    --font-family-main: 'Georgia', serif;
}
body.theme-retro {
    background-color: #f4edd8 !important;
    color: #5b4636 !important;
}
body.theme-retro .container {
    background-color: #fdfaf2 !important;
    border: 2px solid #d3c2a0;
}
body.theme-retro .tutorial-step { border: 2px solid var(--border-color-light); }
body.dark-mode.theme-retro .tutorial-step { border-color: var(--border-color-dark); }
.theme-neobrutalismo {
    --radius-lg: 12px; --radius-md: 8px; --radius-sm: 6px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
body.theme-neobrutalismo .container { border: 3px solid #000807; box-shadow: 6px 6px 0 #000807; }
body.theme-neobrutalismo .tutorial-step { border: 3px solid #000807; box-shadow: 6px 6px 0 #000807; }
body.theme-neobrutalismo button { border: 2px solid #000807; box-shadow: 4px 4px 0 #000807; }
.theme-cyberpunk {
    --radius-lg: 4px; --radius-md: 2px; --radius-sm: 2px;
    --font-family-main: 'Courier New', monospace;
}
body.theme-cyberpunk {
    background-color: #0d0c1d !important; color: #00f0ff !important;
}
body.theme-cyberpunk .container { background-color: #14132b !important; border-color: #ff0055; border-left: 5px solid #ff0055; }
body.theme-cyberpunk .tutorial-step { background-color: #1d1b3d !important; border-color: #00f0ff; }
body.theme-cyberpunk header { border-bottom-color: #ff0055; }
body.theme-cyberpunk footer { border-top-color: #ff0055; color: #757299; }
body.theme-cyberpunk h1, body.theme-cyberpunk h3 { color: #ff0055 !important; text-shadow: 0 0 8px #ff0055; }
body.theme-cyberpunk .control-group label { color: #757299; }
body.theme-cyberpunk #topicInput, body.theme-cyberpunk #expertInput, body.theme-cyberpunk #paletteSelect, body.theme-cyberpunk #textModelSelect, body.theme-cyberpunk #imageModelSelect, body.theme-cyberpunk #artStyleSelect {
    background-color: #1d1b3d; color: #00f0ff; border-color: #ff0055;
}
.theme-organico {
    --radius-lg: 24px; --radius-md: 16px; --radius-sm: 12px;
    --font-family-main: 'Poppins', 'Segoe UI', sans-serif;
}
body.theme-organico .tutorial-step { border-radius: var(--radius-md) 4px var(--radius-md) 4px; }
.theme-noir {
    --radius-lg: 14px; --radius-md: 10px; --radius-sm: 8px;
    --font-family-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body.theme-noir {
    background-color: #1a1a2e !important; color: #e0e0e0 !important;
}
body.theme-noir .container {
    background-color: #16213e !important; border: 1px solid #0f3460;
}
body.theme-noir .tutorial-step {
    background-color: #1a1a2e !important; border-color: #0f3460;
}
body.theme-noir header { border-bottom-color: #0f3460; }
body.theme-noir footer { border-top-color: #0f3460; color: #8899aa; }
body.theme-noir #topicInput, body.theme-noir #expertInput, body.theme-noir #paletteSelect, body.theme-noir #textModelSelect, body.theme-noir #imageModelSelect, body.theme-noir #artStyleSelect {
    background-color: #0f3460; color: #e0e0e0; border-color: #1a1a2e;
}
body.theme-noir h1, body.theme-noir h3 { color: #e94560 !important; }
body.theme-noir .control-group label { color: #8899aa; }
body.theme-noir header h1 { color: #e94560; }

/* --- Nuevos Estilos Visuales --- */

/* 1. Educativo */
.theme-educativo {
    --radius-lg: 12px; --radius-md: 8px; --radius-sm: 6px;
    --font-family-main: 'Lexend', sans-serif;
}
body.theme-educativo {
    background-color: #f7f9fc !important;
    color: #2c3e50 !important;
}
body.theme-educativo .container {
    background-color: #ffffff !important;
    border: 1px solid #d1d8e0;
    border-top: 6px solid #3498db;
    box-shadow: 0 10px 30px rgba(52, 152, 219, 0.08);
}
body.theme-educativo .tutorial-step {
    background-color: #fcfdfe !important;
    border-left: 4px solid #2ecc71;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}
body.theme-educativo header h1 {
    color: #2980b9 !important;
}

/* 2. Infantil */
.theme-infantil {
    --radius-lg: 32px; --radius-md: 20px; --radius-sm: 14px;
    --font-family-main: 'Fredoka', sans-serif;
}
body.theme-infantil {
    background-color: #fff9db !important;
    color: #6d4c41 !important;
}
body.theme-infantil .container {
    background-color: #ffffff !important;
    border: 4px solid #ffb74d;
    box-shadow: 0 12px 0 #ffe082;
}
body.theme-infantil .tutorial-step {
    background-color: #f1f8e9 !important;
    border: 3px solid #aed581;
    box-shadow: 0 6px 0 #c5e1a5;
}
body.theme-infantil button {
    background-color: #ff8a65 !important;
    color: white !important;
    border: 3px solid #ff7043 !important;
    box-shadow: 0 4px 0 #e64a19 !important;
    transform: none !important;
}
body.theme-infantil button:hover {
    background-color: #ff7043 !important;
    transform: translateY(2px) !important;
    box-shadow: 0 2px 0 #e64a19 !important;
}
body.theme-infantil header h1 {
    color: #ec407a !important;
    font-size: 3.2em;
    text-shadow: 2px 2px 0px #f8bbd0;
}

/* 3. Científico */
.theme-cientifico {
    --radius-lg: 4px; --radius-md: 4px; --radius-sm: 2px;
    --font-family-main: 'Space Grotesk', 'Courier Prime', monospace;
}
body.theme-cientifico {
    background-color: #0b0f19 !important;
    color: #8da2fb !important;
}
body.theme-cientifico .container {
    background-color: #121829 !important;
    border: 1px solid #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}
body.theme-cientifico .tutorial-step {
    background-color: #18223f !important;
    border: 1px solid #10b981;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.1);
}
body.theme-cientifico header h1 {
    color: #60a5fa !important;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 2px;
    text-transform: uppercase;
}
body.theme-cientifico button {
    background-color: #3b82f6 !important;
    color: #ffffff !important;
    border: 1px solid #1d4ed8 !important;
}
body.theme-cientifico #topicInput, body.theme-cientifico #expertInput, body.theme-cientifico #paletteSelect, body.theme-cientifico #textModelSelect, body.theme-cientifico #imageModelSelect, body.theme-cientifico #artStyleSelect {
    background-color: #1e293b; color: #f8fafc; border-color: #475569;
}


/* --- Estilos base del DOM --- */
.container {
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
}
.tutorial-step {
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
}
#topicInput, #expertInput, #paletteSelect, #textModelSelect, #imageModelSelect, #artStyleSelect {
    border-radius: var(--radius-sm);
}
button {
    border-radius: var(--radius-sm);
}

body {
    font-family: var(--font-family-main);
    margin: 0;
    padding: 0;
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
    transition: background-color 0.5s, color 0.5s, font-family 0.5s;
    line-height: 1.7;
}

body.dark-mode {
    background-color: var(--bg-color-dark);
    color: var(--text-color-dark);
}

.container {
    max-width: 900px;
    margin: 20px auto;
    padding: 25px;
    background-color: var(--card-bg-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    transition: background-color 0.5s, box-shadow 0.5s;
}

body.dark-mode .container {
    background-color: var(--card-bg-dark);
    box-shadow: 0 8px 25px var(--shadow-color-dark);
}

header {
    text-align: center;
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 2px solid var(--primary-color-light);
}

body.dark-mode header {
    border-bottom-color: var(--primary-color-dark);
}

header h1 {
    color: var(--primary-color-light);
    font-size: 2.8em;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -1px;
}

body.dark-mode header h1 {
    color: var(--primary-color-dark);
}

#generationControls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: center;
    margin-bottom: 20px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.control-group label {
    font-size: 0.9em;
    font-weight: 500;
    color: var(--secondary-color-light);
}

body.dark-mode .control-group label {
    color: var(--secondary-color-dark);
}

#topicInput,
#expertInput,
#paletteSelect,
#textModelSelect,
#imageModelSelect,
#artStyleSelect {
    padding: 10px 14px;
    border: 2px solid var(--border-color-light);
    font-size: 1em;
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
    width: 100%;
    box-sizing: border-box;
}

body.dark-mode #topicInput,
body.dark-mode #expertInput,
body.dark-mode #paletteSelect,
body.dark-mode #textModelSelect,
body.dark-mode #imageModelSelect,
body.dark-mode #artStyleSelect {
    background-color: var(--card-bg-dark);
    color: var(--text-color-dark);
    border-color: var(--border-color-dark);
}

#topicInput:focus,
#expertInput:focus,
#paletteSelect:focus,
#textModelSelect:focus,
#imageModelSelect:focus,
#artStyleSelect:focus {
    outline: none;
    border-color: var(--primary-color-light);
    box-shadow: 0 0 0 3px var(--primary-color-light_alpha, rgba(0, 121, 107, 0.3));
}

body.dark-mode #topicInput:focus,
body.dark-mode #expertInput:focus,
body.dark-mode #paletteSelect:focus,
body.dark-mode #textModelSelect:focus,
body.dark-mode #imageModelSelect:focus,
body.dark-mode #artStyleSelect:focus {
    border-color: var(--primary-color-dark);
    box-shadow: 0 0 0 3px var(--primary-color-dark_alpha, rgba(77, 182, 172, 0.3));
}

.checkbox-control {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95em;
    padding: 8px 0;
}

.checkbox-control input[type="checkbox"] {
    transform: scale(1.2);
    accent-color: var(--primary-color-light);
}

body.dark-mode .checkbox-control input[type="checkbox"] {
    accent-color: var(--primary-color-dark);
}

.main-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 10px;
}

button {
    padding: 10px 18px;
    border: none;
    font-size: 0.95em;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.15s, box-shadow 0.2s;
    font-weight: 600;
    letter-spacing: 0.5px;
}

#generateTutorialBtn,
#themeToggleBtn {
    padding: 12px 22px;
    font-size: 1em;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

button:active {
    transform: translateY(0px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

button:disabled {
    background-color: #ccc !important;
    color: #666 !important;
    cursor: not-allowed;
    transform: translateY(0px);
    box-shadow: none;
}

body.dark-mode button:disabled {
    background-color: #555 !important;
    color: #888 !important;
}


#generateTutorialBtn {
    background-color: var(--primary-color-light);
    color: white;
}

body.dark-mode #generateTutorialBtn {
    background-color: var(--primary-color-dark);
    color: var(--bg-color-dark);
}

#themeToggleBtn,
#resetBtn,
#downloadHtmlBtn,
#downloadWordBtn {
    background-color: var(--secondary-color-light);
    color: white;
}

body.dark-mode #themeToggleBtn,
body.dark-mode #resetBtn,
body.dark-mode #downloadHtmlBtn,
body.dark-mode #downloadWordBtn {
    background-color: var(--secondary-color-dark);
    color: var(--bg-color-dark);
}

#resetBtn {
    background-color: var(--accent-color-light);
}

body.dark-mode #resetBtn {
    background-color: var(--accent-color-dark);
}


#tutorialContainer {
    margin-top: 30px;
}

.tutorial-step {
    background-color: var(--card-bg-light);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-md);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
    opacity: 0;
    transform: translateY(25px);
    animation: fadeInStep 0.6s ease-out forwards;
    overflow: auto;
}

body.dark-mode .tutorial-step {
    background-color: var(--card-bg-dark);
    border-color: var(--border-color-dark);
    box-shadow: 0 5px 15px var(--shadow-color-dark);
}

@keyframes fadeInStep {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tutorial-step h3 {
    color: var(--accent-color-light);
    margin-top: 0;
    font-size: 1.7em;
    border-bottom: 2px solid var(--accent-color-light);
    padding-bottom: 10px;
    margin-bottom: 18px;
    font-weight: 600;
}

body.dark-mode .tutorial-step h3 {
    color: var(--accent-color-dark);
    border-bottom-color: var(--accent-color-dark);
}

.tutorial-step p {
    font-size: 1.1em;
    color: var(--text-color-light);
}

body.dark-mode .tutorial-step p {
    color: var(--text-color-dark);
}

#loadingIndicator {
    text-align: center;
    padding: 25px;
    font-size: 1.3em;
    color: var(--primary-color-light);
}

body.dark-mode #loadingIndicator {
    color: var(--primary-color-dark);
}

.spinner {
    border: 5px solid var(--border-color-light);
    border-top: 5px solid var(--primary-color-light);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 15px auto;
}

body.dark-mode .spinner {
    border-color: var(--border-color-dark);
    border-top-color: var(--primary-color-dark);
}

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

    100% {
        transform: rotate(360deg);
    }
}

.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}




footer {
    text-align: center;
    margin-top: 45px;
    padding: 25px;
    font-size: 0.95em;
    color: var(--secondary-color-light);
    border-top: 1px solid var(--border-color-light);
}

body.dark-mode footer {
    color: var(--secondary-color-dark);
    border-top-color: var(--border-color-dark);
}

#multipleChoiceButtons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    width: 100%;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* BYOP Styles */
.api-key-container {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--card-bg-light);
    border: 2px dashed var(--primary-color-light);
    border-radius: var(--radius-md);
    align-items: center;
    box-shadow: 0 4px 15px var(--shadow-color-light);
    transition: all 0.3s ease;
}

body.dark-mode .api-key-container {
    background: var(--card-bg-dark);
    border-color: var(--primary-color-dark);
    box-shadow: 0 4px 15px var(--shadow-color-dark);
}

#apiKeyInput {
    flex-grow: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color-light);
    border-radius: var(--radius-sm);
    font-family: 'Courier New', Courier, monospace;
    background: var(--bg-color-light);
    color: var(--text-color-light);
    font-size: 0.95em;
}

body.dark-mode #apiKeyInput {
    border-color: var(--border-color-dark);
    background: var(--bg-color-dark);
    color: var(--text-color-dark);
}

#getApiKeyBtn {
    background-color: var(--success-color-light);
    color: white;
    white-space: nowrap;
    padding: 12px 20px;
}

body.dark-mode #getApiKeyBtn {
    background-color: var(--success-color-dark);
    color: var(--bg-color-dark);
}

.image-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 20px;
}
.image-modal-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 0 40px rgba(0,0,0,0.6);
    cursor: pointer;
    object-fit: contain;
}