:root {
    --primary-blue: #0072ff;
    --dark-blue: #084298;
    --accent-cyan: #00c6ff;
    --accent-orange: #ff7e5f;
    --bg-gradient: linear-gradient(-45deg, #e0eafc, #cfdef3, #a1c4fd, #c2e9fb);
    --text-main: #2b2b2b;
    --text-muted: #5a6268;
    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-border: rgba(255, 255, 255, 0.9);
    --nav-bg: rgba(255, 255, 255, 0.6);
    --card-header-bg: rgba(255, 255, 255, 0.4);
    --footer-bg: rgba(255, 255, 255, 0.3);
    --track-bg: rgba(0, 0, 0, 0.1);
    --text-shadow: 0 2px 5px rgba(0, 114, 255, 0.2);
}

:root[data-theme="dark"] {
    --primary-blue: #00c6ff;
    --dark-blue: #94a3b8;
    --accent-cyan: #00f2fe;
    --accent-orange: #ff7e5f;
    --bg-gradient: linear-gradient(-45deg, #080911, #0f172a, #111827, #020617);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(15, 23, 42, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --nav-bg: rgba(15, 23, 42, 0.75);
    --card-header-bg: rgba(255, 255, 255, 0.05);
    --footer-bg: rgba(15, 23, 42, 0.5);
    --track-bg: rgba(255, 255, 255, 0.15);
    --text-shadow: 0 2px 8px rgba(0, 198, 255, 0.4);
}

body {
    background: var(--bg-gradient);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: var(--text-main);
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

main {
    flex-grow: 1;
}

.navbar {
    background-color: var(--nav-bg) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    color: var(--primary-blue) !important;
    letter-spacing: 1px;
}

.nav-link {
    color: var(--dark-blue) !important;
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
    padding-bottom: 6px;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary-blue) !important;
}

/* Estilos para dropdowns sólidos y legibles */
.dropdown-menu {
    background-color: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.15) !important;
    border-radius: 16px !important;
    padding: 8px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12) !important;
}

:root[data-theme="dark"] .dropdown-menu {
    background-color: #1e293b !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5) !important;
}

.dropdown-item {
    color: var(--text-main) !important;
    font-weight: 500;
    border-radius: 8px;
    padding: 8px 16px;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-cyan)) !important;
    color: white !important;
    transform: translateX(4px);
}

.footer-links a {
    transition: all 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-blue) !important;
    padding-left: 4px;
}

.navbar-brand img {
    height: 52px;
    margin-right: 10px;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.navbar-brand img:hover {
    transform: scale(1.06);
}

.card-phenomenon {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    height: 100%;
    color: var(--text-main);
    overflow: hidden;
}

.card-phenomenon:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 15px 35px rgba(0, 114, 255, 0.2);
    border-color: #ffffff;
}

.card-phenomenon .card-header {
    background: var(--card-header-bg);
    color: var(--dark-blue);
    font-weight: 800;
    font-size: 1.2rem;
    font-family: 'Outfit', sans-serif;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    border-bottom: 1px solid var(--glass-border);
    padding: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-body p {
    color: var(--text-main);
}

.phenomenon-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin: 15px 0;
    text-shadow: 0 5px 15px rgba(0, 114, 255, 0.3);
    transition: transform 0.3s ease;
}

.card-phenomenon:hover .phenomenon-icon {
    transform: scale(1.2) rotate(5deg);
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-cyan));
    border: none;
    border-radius: 30px;
    padding: 10px 25px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 114, 255, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--accent-cyan), var(--primary-blue));
    box-shadow: 0 6px 20px rgba(0, 114, 255, 0.5);
    transform: translateY(-2px);
    color: white;
}

.footer {
    background: var(--footer-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid var(--glass-border);
    padding: 30px 0;
    margin-top: 50px;
    color: var(--text-main);
}

/* Sponsor logo styles with capsule containers */
.sponsor-logos {
    gap: 24px;
}

.sponsor-logo-card {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    background: transparent;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sponsor-logo-card img {
    max-height: 46px;
    object-fit: contain;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.sponsor-logo-card:hover {
    transform: translateY(-2px) scale(1.05);
}

.sponsor-logo-card:hover img {
    opacity: 1;
}

/* Dark mode capsule activation: preserves the original colors on a white capsule background */
:root[data-theme="dark"] .sponsor-logo-card {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

:root[data-theme="dark"] .sponsor-logo-card img {
    filter: none !important;
    opacity: 0.95;
}

/* App logo styling in navbar */
:root[data-theme="dark"] .navbar-brand img {
    filter: invert(1) hue-rotate(180deg) brightness(1.2) !important;
}

/* Modo curioso */
.curious-mode-btn {
    background: linear-gradient(45deg, #f2994a, #f2c94c);
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(242, 201, 76, 0.4);
    transition: all 0.3s ease;
}

.curious-mode-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(242, 201, 76, 0.6);
    color: #fff;
}

/* Contenedores generales con Glassmorphism para otras vistas */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: var(--text-main);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

.card-header {
    background-color: var(--card-header-bg) !important;
    border-bottom: 1px solid var(--glass-border);
    color: var(--dark-blue);
    font-family: 'Outfit', sans-serif;
    font-weight: bold;
}

/* Títulos principales */
.display-4,
h1,
h2,
h3 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
}

.text-primary {
    color: var(--primary-blue) !important;
    text-shadow: var(--text-shadow);
}

/* Estilización de los inputs tipo range para que parezcan controles */
input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 24px;
    width: 24px;
    border-radius: 50%;
    background: var(--primary-blue);
    cursor: pointer;
    margin-top: -8px;
    box-shadow: 0 0 10px rgba(0, 114, 255, 0.5);
    transition: transform 0.1s;
}

input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    cursor: pointer;
    background: var(--track-bg);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.result-container img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Transiciones generales de tema */
body,
nav,
main,
footer,
.card,
.card-header,
p,
h1,
h2,
h3,
h5,
label,
span,
button,
input {
    transition: background 0.3s ease, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Tarjeta y medidores del Número de Péclet */
.peclet-card {
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 15px;
    margin-top: 15px;
}

.peclet-badge {
    font-size: 0.9rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 20px;
    display: inline-block;
    margin-top: 5px;
}

.badge-diffusion {
    background-color: rgba(40, 167, 69, 0.15);
    color: #2ebb59 !important;
    border: 1px solid rgba(46, 187, 89, 0.4);
}

.badge-advection {
    background-color: rgba(253, 126, 20, 0.15);
    color: #ff9233 !important;
    border: 1px solid rgba(255, 146, 51, 0.4);
}

/* Acordeón de Desafíos Didácticos */
.challenge-accordion {
    margin-top: 20px;
}

.challenge-item {
    border: 1px solid var(--glass-border) !important;
    background: var(--glass-bg) !important;
    border-radius: 15px !important;
    overflow: hidden;
    margin-bottom: 10px;
}

.challenge-button {
    background: rgba(255, 255, 255, 0.02) !important;
    color: var(--text-main) !important;
    font-weight: bold;
    font-family: 'Outfit', sans-serif;
    border: none !important;
    box-shadow: none !important;
}

.challenge-button:not(.collapsed) {
    background: var(--primary-blue) !important;
    color: #ffffff !important;
}

.challenge-button::after {
    filter: var(--accordion-arrow-filter);
}

:root[data-theme="dark"] {
    --accordion-arrow-filter: invert(1);
}

.btn-challenge-load {
    background: linear-gradient(45deg, #11998e, #38ef7d);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-weight: bold;
    padding: 6px 15px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(56, 239, 125, 0.2);
}

.btn-challenge-load:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(56, 239, 125, 0.4);
    color: #fff;
}

/* ==========================================================================
   INTERACTIVE SCIENCE JOURNEY MAP & GAMIFICATION STYLES
   ========================================================================== */
.map-container-wrapper {
    position: relative;
    width: 100%;
    height: 420px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    overflow: hidden;
    margin-bottom: 30px;
}

.map-svg-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.map-node {
    position: absolute;
    z-index: 2;
    transform: translate(-50%, -50%);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.map-node:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.node-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 4px solid var(--text-muted);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}

.node-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--text-muted);
    color: #fff;
    font-size: 0.75rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.node-label {
    margin-top: 8px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--text-main);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: color 0.3s;
}

/* Node States */
/* Completed Nodos */
.map-node.completed .node-circle {
    border-color: #28a745;
    color: #28a745;
    box-shadow: 0 0 20px rgba(40, 167, 69, 0.3);
}

.map-node.completed .node-badge {
    background: #28a745;
}

/* Active Nodos (Next level to solve) */
.map-node.active .node-circle {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    box-shadow: 0 0 25px rgba(0, 114, 255, 0.5);
    animation: pulse-neon-border 2s infinite ease-in-out;
}

.map-node.active .node-badge {
    background: var(--primary-blue);
}

.map-node.active .node-label {
    color: var(--primary-blue);
    text-shadow: var(--text-shadow);
}

/* Pending Nodos */
.map-node.pending .node-circle {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
    box-shadow: 0 0 15px rgba(255, 126, 95, 0.2);
}

.map-node.pending .node-badge {
    background: var(--accent-orange);
}

@keyframes pulse-neon-border {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(0, 114, 255, 0.3);
    }

    50% {
        box-shadow: 0 0 30px rgba(0, 198, 255, 0.7);
    }
}

/* Path SVG animations */
.path-segment {
    stroke-dasharray: 8;
    animation: dash-flow 25s linear infinite;
}

@keyframes dash-flow {
    to {
        stroke-dashoffset: -1000;
    }
}

/* Achievements grid */
.achievement-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.achievement-card.unlocked {
    background: rgba(40, 167, 69, 0.05);
    border-color: rgba(40, 167, 69, 0.2);
}

.achievement-icon {
    font-size: 1.6rem;
    filter: grayscale(1);
    opacity: 0.4;
    transition: all 0.4s ease;
}

.achievement-card.unlocked .achievement-icon {
    filter: grayscale(0);
    opacity: 1;
    text-shadow: 0 0 10px rgba(242, 201, 76, 0.5);
}

.map-node.selected-node .node-circle {
    transform: scale(1.12);
    border-color: #ffc107 !important;
    box-shadow: 0 0 30px rgba(255, 193, 7, 0.7) !important;
}

.map-node.selected-node .node-label {
    color: #ffc107 !important;
    text-shadow: 0 0 8px rgba(255, 193, 7, 0.4);
}

/* ==========================================================================
   LAB COCKPIT & SCIFI HUD PARAMETER CONTROL STYLES
   ========================================================================== */
.hud-slider-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 14px 18px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.hud-slider-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(0, 114, 255, 0.08);
}

/* Custom styled ranges for Webkit (Chrome, Safari, Edge) */
input[type="range"].form-range {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--track-bg);
    border-radius: 10px;
    outline: none;
}

input[type="range"].form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-blue);
    cursor: pointer;
    box-shadow: 0 0 10px var(--primary-blue);
    transition: all 0.2s ease;
}

input[type="range"].form-range::-webkit-slider-thumb:hover {
    transform: scale(1.25);
    box-shadow: 0 0 15px var(--accent-cyan);
    background: var(--accent-cyan);
}

/* Radar monitor frame */
.radar-monitor-frame {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: border-color 0.3s;
}

.radar-monitor-frame:hover {
    border-color: var(--primary-blue);
}

.radar-monitor-header {
    background: rgba(0, 114, 255, 0.04);
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.radar-screen-container {
    background: rgba(0, 0, 0, 0.02);
    position: relative;
    border-radius: 16px;
    padding: 8px;
    border: 1px solid var(--glass-border);
}

:root[data-theme="dark"] .radar-screen-container {
    background: rgba(0, 0, 0, 0.2);
}

/* Modo súper curioso button */
.super-curious-mode-btn {
    background: linear-gradient(45deg, #0072ff, #00f2fe);
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 114, 255, 0.4);
    transition: all 0.3s ease;
}

.super-curious-mode-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 114, 255, 0.6);
    color: #fff;
}

/* ==========================================
   RESULT & DIPLOMA PAGES STYLES
   ========================================== */

.btn-next-level {
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-cyan)) !important;
    border: none !important;
    box-shadow: 0 8px 25px rgba(0, 114, 255, 0.4);
    font-size: 0.88rem;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.btn-next-level:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 114, 255, 0.6);
    color: white !important;
}

.btn-graduation {
    background: linear-gradient(45deg, #28a745, #2ebb59) !important;
    border: none !important;
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4);
    font-size: 0.9rem;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.btn-graduation:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(40, 167, 69, 0.6);
    color: white !important;
}

@media (max-width: 576px) {
    .btn-next-level {
        font-size: 0.78rem;
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }

    .btn-graduation {
        font-size: 0.8rem;
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.animate-bounce {
    animation: bounce 2s infinite ease-in-out;
}

@keyframes bounceRight {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(6px);
    }
}

.animate-bounce-right {
    display: inline-block;
    animation: bounceRight 1.5s infinite ease-in-out;
}

/* Estilos del Diploma de Honor */
.diploma-certificate {
    background: linear-gradient(135deg, #ffffff 0%, #fffdf2 100%) !important;
    border: 4px double #d4af37 !important; /* Elegant double border */
    border-radius: 20px;
    padding: 15px;
    position: relative;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    text-align: center;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    overflow: hidden;
}

@media (min-width: 576px) {
    .diploma-certificate {
        max-width: 720px;
        aspect-ratio: 11 / 8.5; /* Proporción exacta de la hoja Carta (Letter) */
        display: flex;
        flex-direction: column;
        justify-content: stretch;
    }
}

:root[data-theme="dark"] .diploma-certificate {
    background: linear-gradient(135deg, #0d1321 0%, #060913 100%) !important;
    border: 4px double #ffd700 !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.diploma-inner-frame {
    border: 1px solid rgba(212, 175, 55, 0.35);
    border-radius: 12px;
    padding: 24px 16px;
    position: relative;
    box-sizing: border-box;
    box-shadow: inset 0 0 0 6px rgba(212, 175, 55, 0.03); /* Double border effect */
}

@media (min-width: 576px) {
    .diploma-inner-frame {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between; /* Distribuye verticalmente de forma uniforme */
        padding: 30px 24px;
        height: 100%;
    }
}

:root[data-theme="dark"] .diploma-inner-frame {
    border: 1px solid rgba(255, 215, 0, 0.25);
    box-shadow: inset 0 0 0 6px rgba(255, 215, 0, 0.02);
}

/* Sello de agua científico de fondo del diploma */
.diploma-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8.5rem;
    color: rgba(212, 175, 55, 0.04);
    pointer-events: none;
    z-index: 1;
}

:root[data-theme="dark"] .diploma-watermark {
    color: rgba(255, 215, 0, 0.025);
}

/* Esquinas ornamentales */
.diploma-corner {
    position: absolute;
    font-size: 0.9rem;
    color: #d4af37;
    opacity: 0.85;
    z-index: 2;
}

:root[data-theme="dark"] .diploma-corner {
    color: #ffd700;
}

.diploma-corner.top-left {
    top: 8px;
    left: 8px;
}

.diploma-corner.top-right {
    top: 8px;
    right: 8px;
}

.diploma-corner.bottom-left {
    bottom: 8px;
    left: 8px;
}

.diploma-corner.bottom-right {
    bottom: 8px;
    right: 8px;
}

/* Título */
.diploma-title {
    font-family: 'Cinzel', serif; /* Roman style */
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    background: linear-gradient(45deg, #b8860b 10%, #e6b800 30%, #ffec80 50%, #e6b800 70%, #b8860b 90%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
    font-size: 1.6rem;
    text-align: center;
    filter: drop-shadow(0px 1px 1.5px rgba(0, 0, 0, 0.15));
    position: relative;
    z-index: 2;
}

:root[data-theme="dark"] .diploma-title {
    background: linear-gradient(45deg, #c5a059 10%, #ffd700 30%, #fff2ac 50%, #ffd700 70%, #c5a059 90%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

:root[data-theme="dark"] .diploma-header img {
    filter: invert(1) hue-rotate(180deg) brightness(1.2);
}

.diploma-subtitle {
    font-family: 'Outfit', sans-serif;
    color: #718096;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
    z-index: 2;
}

:root[data-theme="dark"] .diploma-subtitle {
    color: #a0aec0;
}

/* Cuerpo */
.diploma-given-to {
    color: #718096;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
    position: relative;
    z-index: 2;
}

:root[data-theme="dark"] .diploma-given-to {
    color: #a0aec0;
}

.diploma-name {
    font-family: 'Cinzel', serif; /* Roman style name */
    font-weight: 700;
    color: #1a365d !important;
    font-size: 1.9rem;
    border-bottom: 2px solid rgba(212, 175, 55, 0.35);
    display: inline-block;
    padding-bottom: 4px;
    min-width: 60%;
    margin-bottom: 12px;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 2;
}

:root[data-theme="dark"] .diploma-name {
    color: #ffd700 !important; /* Gold name in dark mode fits Cinzel beautiful theme */
    border-bottom: 2px solid rgba(255, 215, 0, 0.35);
}

.diploma-achievement {
    font-size: 0.82rem;
    line-height: 1.6;
    color: #4a5568;
    max-width: 85%;
    margin: 0 auto;
    font-weight: 500;
    position: relative;
    z-index: 2;
}

:root[data-theme="dark"] .diploma-achievement {
    color: #cbd5e0;
}

/* Firmas y Sello */
.diploma-sign-title {
    display: block;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #a0aec0;
    font-weight: 700;
    border-bottom: 1px dashed rgba(160, 174, 192, 0.3);
    padding-bottom: 2px;
}

/* Sello de cera */
.wax-seal-wrapper {
    position: relative;
    width: 38px;
    height: 38px;
}

.wax-seal {
    width: 38px;
    height: 38px;
    background: radial-gradient(circle, #ffe066 0%, #d4af37 60%, #aa800a 100%);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #4a3b00;
    font-size: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2), inset 0 2px 3px rgba(255, 255, 255, 0.4);
    border: 1px solid #aa800a;
    z-index: 5;
    position: relative;
}

.wax-seal i {
    filter: drop-shadow(0px 1px 1px rgba(255, 255, 255, 0.6));
}

.seal-ribbon-left,
.seal-ribbon-right {
    position: absolute;
    width: 10px;
    height: 20px;
    background: #c53030;
    z-index: 2;
    top: 25px;
    clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 50% 80%, 0% 100%);
}

.seal-ribbon-left {
    left: 4px;
    transform: rotate(15deg);
}

.seal-ribbon-right {
    right: 4px;
    transform: rotate(-15deg);
}

/* Estilo del email input adaptable */
#gradEmailInput {
    background: rgba(255, 255, 255, 0.9) !important;
    border: 1px solid rgba(0, 0, 0, 0.15) !important;
    color: #2b2b2b !important;
}

:root[data-theme="dark"] #gradEmailInput {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: #f8fafc !important;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

.animate-pulse {
    display: inline-block;
    animation: pulse 2s infinite ease-in-out;
}

/* ==========================================
   ABOUT PAGE AVATARS & DETAILS
   ========================================== */

.about-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 40px rgba(0, 114, 255, 0.12);
}

.about-icon-box {
    width: 55px;
    height: 55px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: inset 0 2px 5px rgba(255, 255, 255, 0.1);
}

.about-icon-box.blue {
    background: rgba(0, 114, 255, 0.08);
    color: var(--primary-blue);
    border: 1px solid rgba(0, 114, 255, 0.15);
}

.about-icon-box.orange {
    background: rgba(255, 126, 95, 0.08);
    color: var(--accent-orange);
    border: 1px solid rgba(255, 126, 95, 0.15);
}

/* Dossier Cards for Researchers */
.team-member-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem 1.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.team-member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
    opacity: 0.8;
}

.team-member-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 114, 255, 0.4);
    box-shadow: 0 15px 30px rgba(0, 114, 255, 0.15);
}

.team-member-card .member-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--glass-border);
    object-fit: cover;
    margin: 0 auto 1.25rem auto;
    display: block;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.team-member-card:hover .member-avatar img {
    border-color: var(--primary-blue);
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 114, 255, 0.25);
}

/* Student Cards */
.student-member-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.student-member-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 198, 255, 0.3);
    box-shadow: 0 10px 20px rgba(0, 198, 255, 0.1);
}

.student-member-card .student-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--glass-border);
    object-fit: cover;
    margin: 0 auto 1rem auto;
    display: block;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.student-member-card:hover .student-avatar img {
    border-color: var(--accent-cyan);
    transform: scale(1.03);
}

/* BibTeX Code Area */
/* Force dark terminal look for console-code-wrapper in BOTH light and dark themes */
.console-code-wrapper {
    background: #0b0f19 !important;
    /* Premium dark background */
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 16px;
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
}

:root[data-theme="dark"] .console-code-wrapper {
    background: #050811 !important;
}

.console-code-wrapper pre {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.82rem;
    color: #e2e8f0 !important;
    /* Force high-contrast light grey text */
}

.console-code-wrapper code {
    color: #e2e8f0 !important;
}

.console-code-wrapper h6 {
    color: #38ef7d !important;
    /* Neon green terminal header text */
}

/* Adjust button styles inside the dark console wrapper */
.console-code-wrapper .btn-outline-success {
    color: #38ef7d !important;
    border-color: #38ef7d !important;
}

.console-code-wrapper .btn-outline-success:hover {
    background-color: #38ef7d !important;
    color: #0b0f19 !important;
}

.console-code-wrapper .btn-success {
    background-color: #38ef7d !important;
    border-color: #38ef7d !important;
    color: #0b0f19 !important;
}


/* Custom Utility Classes for About Page Redesign */
.about-logo {
    max-height: 150px;
    transition: all 0.3s ease;
}

.about-logo:hover {
    transform: scale(1.05);
}

:root[data-theme="dark"] .about-logo {
    filter: invert(1) hue-rotate(180deg) brightness(1.2) !important;
}

.about-hero-badge {
    background: rgba(0, 114, 255, 0.08);
    border: 1px solid rgba(0, 198, 255, 0.2);
    color: var(--primary-blue);
    font-size: 0.78rem;
    letter-spacing: 1.5px;
    font-weight: 700;
    text-transform: uppercase;
}

.about-hero-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.about-hero-lead {
    font-size: 1.05rem;
}

.about-card-body-padding {
    padding: 2rem;
}

.about-card-text {
    font-size: 0.92rem;
    line-height: 1.6;
}

.about-card-icon-title {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
}

.about-member-name {
    font-size: 1.05rem;
}

.about-member-role {
    font-size: 0.75rem;
}

.about-student-name {
    font-size: 0.92rem;
}

.about-citation-text {
    font-size: 0.9rem;
}

/* Sponsor Cards on About page */
.about-sponsor-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.about-sponsor-card img {
    max-height: 55px;
    max-width: 100%;
    object-fit: contain;
    transition: all 0.3s ease;
}

.about-sponsor-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 8px 24px rgba(0, 114, 255, 0.1);
    border-color: rgba(0, 114, 255, 0.2);
}

:root[data-theme="dark"] .about-sponsor-card {
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Animations for About Page Grid entrance */
.card-entrance {
    animation: cardEntrance 0.6s cubic-bezier(0.165, 0.84, 0.44, 1) both;
}

@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Sello de agua científico de fondo del diploma */
.diploma-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 8.5rem;
    color: rgba(212, 175, 55, 0.04);
    pointer-events: none;
    z-index: 1;
}

:root[data-theme="dark"] .diploma-watermark {
    color: rgba(255, 215, 0, 0.025);
}

/* Pantalla de carga para la simulación */
.simulation-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(11, 15, 25, 0.88);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f8fafc;
}

.radar-ping-container {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.radar-ping-ring, .radar-ping-ring-2 {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent-cyan);
    border-radius: 50%;
    animation: radarPing 2s infinite ease-out;
    opacity: 0;
}

.radar-ping-ring-2 {
    animation-delay: 1s;
}

.radar-ping-center {
    position: relative;
    z-index: 10;
    color: var(--primary-blue);
    filter: drop-shadow(0 0 10px rgba(0, 114, 255, 0.5));
}

@keyframes radarPing {
    0% {
        transform: scale(0.2);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.bg-cyan {
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-cyan)) !important;
}

/* --- ESTILOS DE GAMIFICACIÓN ADICIONALES --- */

/* Estrellas doradas para desafíos completados */
.challenge-star-badge {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.95);
    border: 1.5px solid #ffc107;
    border-radius: 50%;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
    z-index: 10;
    animation: starGlow 2.5s infinite ease-in-out;
    font-size: 0.8rem;
}

[data-theme="light"] .challenge-star-badge {
    background: #ffffff;
    box-shadow: 0 0 8px rgba(255, 193, 7, 0.35);
}

@keyframes starGlow {
    0%, 100% {
        box-shadow: 0 0 8px rgba(255, 193, 7, 0.4);
        transform: translateX(-50%) scale(1.0);
    }
    50% {
        box-shadow: 0 0 16px rgba(255, 193, 7, 0.8);
        transform: translateX(-50%) scale(1.15);
    }
}

/* Toast de ascenso de Rango Científico */
.rank-celebration-toast {
    position: fixed;
    bottom: 30px;
    right: -450px;
    z-index: 2000;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 16px 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    max-width: 380px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: #ffffff;
    transition: right 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.rank-celebration-toast.show {
    right: 30px;
}

[data-theme="light"] .rank-celebration-toast {
    background: rgba(255, 255, 255, 0.92);
    color: #0f172a;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.rank-celebration-toast .rank-toast-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(45deg, #f2c94c, #f2994a);
    color: #0b0f19;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(242, 201, 76, 0.35);
}

.rank-celebration-toast .rank-toast-content {
    flex-grow: 1;
}

.rank-celebration-toast .rank-toast-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.rank-celebration-toast .rank-toast-subtitle {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════════════════
   Page Transition Animations
   ══════════════════════════════════════════════════════════════════════════ */

@keyframes pageSlideIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes pageSlideOut {
    from { opacity: 1; }
    to   { opacity: 0; }
}

/* Applied to <main> on every page load */
.page-enter {
    animation: pageSlideIn 0.35s ease both;
}

/* Applied to <main> just before navigating away */
.page-exit {
    animation: pageSlideOut 0.25s ease both;
    pointer-events: none;
}