/* Variables CSS */
:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --accent-color: #2563eb;
    --secondary-bg: #f8fafc;
    --border-color: #e2e8f0;
    --highlight-bg: #dbeafe;
    --highlight-border: #2563eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Tema oscuro */
body.dark-mode {
    --bg-color: #0f172a;
    --text-color: #f1f5f9;
    --accent-color: #60a5fa;
    --secondary-bg: #1e293b;
    --border-color: #334155;
    --highlight-bg: #1e3a5f;
    --highlight-border: #60a5fa;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 2;
    transition: background-color 0.3s ease, color 0.3s ease;
    padding: 20px;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navegación */
.navigation {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--secondary-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.nav-btn {
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 600;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -2px rgba(37, 99, 235, 0.4);
}

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

/* Controles de lectura */
.controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.control-btn {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 600;
    background-color: var(--secondary-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.control-btn:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.teleprompter-btn {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.teleprompter-btn:hover {
    background-color: #1d4ed8;
    border-color: #1d4ed8;
}

/* Controles del Teleprompter */
.teleprompter-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--secondary-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}

.tp-btn {
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 600;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.tp-btn:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
}

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

.speed-indicator {
    padding: 8px 15px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    background-color: var(--bg-color);
    border-radius: 6px;
    border: 2px solid var(--border-color);
}

#speedValue {
    color: var(--accent-color);
    font-weight: 700;
}

/* Modo Teleprompter */
body.teleprompter-mode {
    background-color: #000000;
    color: #ffffff;
}

body.teleprompter-mode .navigation,
body.teleprompter-mode .controls {
    display: none;
}

body.teleprompter-mode .container {
    max-width: 900px;
    padding: 40px 60px;
}

body.teleprompter-mode .section-title {
    display: none;
}

body.teleprompter-mode .text-content {
    background-color: transparent;
    padding: 0;
    box-shadow: none;
}

body.teleprompter-mode .text-content p,
body.teleprompter-mode .point-block p,
body.teleprompter-mode .point-block li,
body.teleprompter-mode blockquote {
    color: #ffffff;
    text-align: center;
    font-size: 2rem;
    line-height: 2.2;
    margin-bottom: 40px;
}

body.teleprompter-mode .point-block,
body.teleprompter-mode .quote-category {
    background-color: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
}

body.teleprompter-mode .point-block h2,
body.teleprompter-mode .quote-category h2 {
    color: #60a5fa;
    text-align: center;
    font-size: 2.2rem;
    margin: 50px 0 30px 0;
    border: none;
    padding: 0;
}

body.teleprompter-mode blockquote {
    background-color: transparent;
    border: none;
    font-style: normal;
}

body.teleprompter-mode strong {
    color: #60a5fa;
}

body.teleprompter-mode .highlight {
    background-color: transparent;
    border: none;
}

body.teleprompter-mode ul {
    list-style: none;
    margin-left: 0;
    text-align: center;
}

body.teleprompter-mode .teleprompter-controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(30, 41, 59, 0.95);
    border: 2px solid #334155;
    z-index: 1000;
}

body.teleprompter-mode .tp-btn {
    background-color: #2563eb;
}

body.teleprompter-mode .tp-btn:hover {
    background-color: #1d4ed8;
}

body.teleprompter-mode .speed-indicator {
    background-color: rgba(15, 23, 42, 0.9);
    color: #f1f5f9;
    border-color: #475569;
}

/* Bloques de contenido */
.content-block {
    display: none;
    animation: fadeIn 0.5s ease;
}

.content-block.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Títulos */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 40px;
    text-align: center;
    line-height: 1.2;
}

/* Contenido de texto */
.text-content {
    background-color: var(--secondary-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.text-content p {
    font-size: 1.4rem;
    margin-bottom: 25px;
    line-height: 2;
    font-weight: 400;
}

.text-content strong {
    color: var(--accent-color);
    font-weight: 700;
}

.text-content .highlight {
    background-color: var(--highlight-bg);
    border-left: 4px solid var(--highlight-border);
    padding: 25px;
    margin: 30px 0;
    border-radius: 8px;
}

/* Bloques de puntos */
.point-block {
    background-color: var(--bg-color);
    padding: 30px;
    margin-bottom: 25px;
    border-radius: 10px;
    border-left: 5px solid var(--accent-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.point-block h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.point-block p {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 400;
}

.point-block ul {
    margin-left: 25px;
    margin-top: 15px;
}

.point-block li {
    font-size: 1.3rem;
    margin-bottom: 10px;
    line-height: 1.9;
    font-weight: 400;
}

.point-block.highlight {
    background: linear-gradient(135deg, var(--highlight-bg) 0%, var(--secondary-bg) 100%);
    border-left: 5px solid var(--highlight-border);
}

/* Categorías de frases */
.quote-category {
    margin-bottom: 40px;
    padding: 30px;
    background-color: var(--bg-color);
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.quote-category h2 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--accent-color);
}

blockquote {
    font-size: 1.5rem;
    font-weight: 600;
    font-style: normal;
    padding: 20px 30px;
    margin: 20px 0;
    background-color: var(--secondary-bg);
    border-left: 5px solid var(--accent-color);
    border-radius: 8px;
    line-height: 2;
    color: var(--text-color);
}

.quote-category.highlight {
    background: linear-gradient(135deg, var(--highlight-bg) 0%, var(--secondary-bg) 100%);
    border: 3px solid var(--highlight-border);
}

/* Responsive Design */

/* Tablets */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .section-title {
        font-size: 2rem;
    }

    .text-content {
        padding: 25px;
    }

    .text-content p {
        font-size: 1.2rem;
    }

    .point-block h2 {
        font-size: 1.3rem;
    }

    .point-block p,
    .point-block li {
        font-size: 1.2rem;
    }

    blockquote {
        font-size: 1.3rem;
        padding: 15px 20px;
    }

    .quote-category h2 {
        font-size: 1.4rem;
    }

    .nav-btn {
        font-size: 14px;
        padding: 10px 20px;
    }
}

/* Móviles */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 5px;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 25px;
    }

    .navigation {
        padding: 15px;
        gap: 10px;
    }

    .nav-btn {
        font-size: 13px;
        padding: 10px 16px;
        flex: 1 1 auto;
        min-width: 120px;
    }

    .controls {
        gap: 8px;
    }

    .control-btn {
        padding: 8px 16px;
        font-size: 14px;
    }

    .teleprompter-btn {
        flex-basis: 100%;
    }

    .teleprompter-controls {
        padding: 10px;
        gap: 8px;
    }

    .tp-btn {
        padding: 8px 12px;
        font-size: 13px;
        flex: 1 1 auto;
    }

    .speed-indicator {
        flex-basis: 100%;
        text-align: center;
        font-size: 13px;
    }

    .text-content {
        padding: 20px;
    }

    .text-content p {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }

    .point-block {
        padding: 20px;
        margin-bottom: 20px;
    }

    .point-block h2 {
        font-size: 1.4rem;
    }

    .point-block p,
    .point-block li {
        font-size: 1.1rem;
    }

    .quote-category {
        padding: 20px;
    }

    .quote-category h2 {
        font-size: 1.5rem;
    }

    blockquote {
        font-size: 1.2rem;
        padding: 15px 18px;
    }

    /* Teleprompter móvil */
    body.teleprompter-mode .container {
        padding: 20px 15px;
    }

    body.teleprompter-mode .text-content p,
    body.teleprompter-mode .point-block p,
    body.teleprompter-mode .point-block li,
    body.teleprompter-mode blockquote {
        font-size: 1.4rem;
        line-height: 2;
    }

    body.teleprompter-mode .point-block h2,
    body.teleprompter-mode .quote-category h2 {
        font-size: 1.6rem;
    }
}

    blockquote {
        font-size: 1.1rem;
        padding: 15px 18px;
    }
}

/* Modo presentación (pantallas grandes) */
@media (min-width: 1400px) {
    .section-title {
        font-size: 3rem;
    }

    .text-content p {
        font-size: 1.6rem;
    }

    .point-block h2 {
        font-size: 1.7rem;
    }

    .point-block p,
    .point-block li {
        font-size: 1.5rem;
    }

    blockquote {
        font-size: 1.7rem;
        padding: 25px 35px;
    }
}

/* Ajustes para impresión */
@media print {
    body {
        background-color: white;
        color: black;
    }

    .navigation,
    .controls {
        display: none;
    }

    .content-block {
        display: block !important;
        page-break-after: always;
    }

    .section-title {
        color: #2563eb;
    }
}