:root {
    --bg: #ffffff;
    --bg-soft: #f5f7f8;
    --bg-cream: #FFF5EB;
    --text-dark: #0d1421;
    --text-muted: #5a6474;
    --text-light: #8a93a0;
    --border: #e5e8ec;
    --primary: #1a1f2e;
    --primary-hover: #0d1421;
    --accent: #25E3CB;
    --accent-soft: #d5f6ef;
    --accent-dark: #1fb8a7;
    --danger: #e53e3e;
    --white: #ffffff;
    --radius: 12px;
    --radius-pill: 999px;
    --shadow-xs: 0 1px 2px rgba(13, 20, 33, 0.05);
    --shadow-sm: 0 2px 8px rgba(13, 20, 33, 0.06);
    --shadow-md: 0 8px 24px rgba(13, 20, 33, 0.08);
    --shadow-lg: 0 20px 50px rgba(13, 20, 33, 0.12);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s var(--ease);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    background-image:
        radial-gradient(ellipse at top right, var(--bg-cream) 0%, transparent 50%),
        radial-gradient(ellipse at bottom left, var(--accent-soft) 0%, transparent 55%);
    background-attachment: fixed;
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    animation: pageEnter 0.5s var(--ease);
    line-height: 1.5;
}

@keyframes pageEnter {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-16px); }
    to   { opacity: 1; transform: translateX(0); }
}

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

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Page transition overlay */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s var(--ease);
}

.page-transition.active {
    opacity: 1;
    pointer-events: all;
}

.page-transition::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 42px;
    height: 42px;
    margin: -21px 0 0 -21px;
    border: 3px solid var(--accent-soft);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Backward compat color classes - only apply dark bg + white text to BUTTONS */
.btn.custom-first-color,
button.custom-first-color,
a.custom-first-color,
input[type="submit"].custom-first-color {
    background: var(--primary) !important;
    color: var(--white) !important;
    border: none !important;
}

/* Titles with custom-first-color become dark text on transparent (new style) */
h1.custom-first-color,
h2.custom-first-color,
h3.custom-first-color,
h4.custom-first-color,
.font-title.custom-first-color {
    background: transparent !important;
    color: var(--text-dark) !important;
}

.custom-second-color {
    background: var(--white) !important;
    color: var(--text-dark) !important;
    border: 1px solid var(--border) !important;
}

/* Card header uses custom-first-color but should be light in new style */
.card-header.custom-first-color {
    background: var(--white) !important;
    color: var(--text-dark) !important;
}

.card-header.custom-first-color h2 {
    color: var(--text-dark) !important;
}

/* Typography */
.font-title {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 2.5rem;
    letter-spacing: -1.5px;
    line-height: 1.1;
    color: var(--text-dark);
    background: transparent !important;
    padding: 0 !important;
    margin: 1rem 0 1.5rem !important;
}

.font-title-2 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.font-text {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--text-muted) !important;
    font-weight: 400;
    line-height: 1.6;
}

.font-text-big {
    font-family: 'Inter', sans-serif;
    font-size: 1.15rem;
    color: var(--text-dark);
    font-weight: 500;
}

.bold-text { font-weight: 700; color: var(--text-dark); }

h1, h2, h3, h4 {
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: -1px;
    line-height: 1.15;
}

/* Small label pill (like "TECHNOLOGY + IMPACT") */
.label-pill {
    display: inline-block;
    padding: 0.45rem 1rem;
    background: var(--accent-soft);
    color: var(--accent-dark);
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

/* Images */
.img-size {
    display: block;
    max-width: 100%;
    max-height: 100%;
    margin: 1.5rem auto 0;
    border-radius: var(--radius);
    transition: var(--transition);
}

.img-size-2 {
    max-width: 130px;
    max-height: 60px;
    margin: 1rem 0 0 1rem;
    object-fit: contain;
    background: transparent;
    padding: 0;
}

/* Cards */
.card {
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-sm) !important;
    overflow: hidden;
    background: var(--white) !important;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md) !important;
}

.card-header {
    background: var(--white) !important;
    color: var(--text-dark) !important;
    padding: 1.75rem 1.75rem 0.5rem !important;
    border: none !important;
}

.card-header h2 {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 1.75rem;
    margin: 0;
    letter-spacing: -1px;
    color: var(--text-dark) !important;
    background: transparent !important;
    padding: 0 !important;
}

.card-body {
    padding: 1.5rem 1.75rem 2rem !important;
}

.card-body h4 {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

/* Inputs */
input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
    border: 1.5px solid var(--border) !important;
    border-radius: 10px !important;
    padding: 11px 14px !important;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--text-dark);
    transition: var(--transition);
    outline: none !important;
    background: var(--white);
    width: 100%;
    max-width: 100%;
}

.card-body input[type="text"],
.card-body input[type="password"],
.card-body input[type="email"] {
    width: 100%;
    display: block;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 4px var(--accent-soft) !important;
}

form p { margin-bottom: 1.1rem; }

form p label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-dark);
    font-size: 0.9rem;
}

textarea {
    width: 100% !important;
    max-width: 100%;
    min-height: 130px;
    resize: vertical;
    line-height: 1.5;
}

/* Buttons */
.btn {
    border-radius: var(--radius-pill) !important;
    padding: 0.75rem 1.75rem !important;
    font-family: 'Inter', sans-serif;
    font-weight: 600 !important;
    font-size: 0.95rem;
    letter-spacing: 0;
    transition: var(--transition);
    border: none !important;
    cursor: pointer;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled,
.btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

.btn-block { width: 100%; }

.btn-lg {
    padding: 0.95rem 2rem !important;
    font-size: 1rem !important;
}

.btn.custom-first-color {
    background: var(--primary) !important;
    color: var(--white) !important;
}

.btn.custom-first-color:hover:not(:disabled) {
    background: var(--primary-hover) !important;
}

.btn-secondary-outline {
    background: var(--white) !important;
    color: var(--text-dark) !important;
    border: 1.5px solid var(--border) !important;
}

.btn-secondary-outline:hover:not(:disabled) {
    border-color: var(--text-dark) !important;
}

.btn-danger {
    background: var(--danger) !important;
    color: var(--white) !important;
}

.btn-accent {
    background: var(--accent) !important;
    color: var(--primary) !important;
}

.btn-accent:hover:not(:disabled) {
    background: var(--accent-dark) !important;
    color: var(--white) !important;
}

/* List group */
.list-group { padding: 0; }

.list-group-item {
    border: 1px solid var(--border) !important;
    margin-bottom: 10px;
    border-radius: var(--radius) !important;
    background: var(--white) !important;
    padding: 1rem 1.25rem !important;
    transition: var(--transition);
    animation: slideIn 0.4s var(--ease) backwards;
    font-weight: 500;
    color: var(--text-dark) !important;
}

.list-group-item:nth-child(1) { animation-delay: 0.05s; }
.list-group-item:nth-child(2) { animation-delay: 0.1s; }
.list-group-item:nth-child(3) { animation-delay: 0.15s; }
.list-group-item:nth-child(4) { animation-delay: 0.2s; }
.list-group-item:nth-child(5) { animation-delay: 0.25s; }
.list-group-item:nth-child(6) { animation-delay: 0.3s; }
.list-group-item:nth-child(n+7) { animation-delay: 0.35s; }

.list-group-item:hover {
    border-color: var(--accent) !important;
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

/* Checkboxes */
.tick-checkbox {
    width: 20px;
    height: 20px;
    margin-right: 0.6rem;
    cursor: pointer;
    accent-color: var(--accent);
    vertical-align: middle;
}

/* Links */
a {
    color: var(--accent-dark);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--text-dark);
    text-decoration: none;
}

/* Navigation / top bar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    background: transparent;
}

.topbar .brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

/* Content container */
.content-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero-like heading */
.hero-heading {
    font-weight: 800;
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: -2px;
    color: var(--text-dark);
    margin: 0.5rem 0 1.5rem;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 500px;
    margin: 0 0 2rem;
}

/* Alert de error */
.alert-error {
    background: #fef2f2;
    border: 1.5px solid #fecaca;
    color: #991b1b;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-weight: 500;
    font-size: 0.9rem;
    line-height: 1.4;
    animation: shake 0.4s var(--ease);
}

.alert-error > div {
    margin: 0.15rem 0;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

/* Ocultar errorlist interno (lo mostramos arriba) */
.card-body form .errorlist {
    display: none;
}

/* Help text */
form p .helptext,
.helptext {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.3rem;
    font-weight: 400;
    line-height: 1.4;
}

ul, ol { padding-left: 1.2rem; }

/* Responsive */
@media (max-width: 992px) {
    .hero-heading { font-size: 2.5rem; letter-spacing: -1.5px; }
}

@media (max-width: 768px) {
    .font-title { font-size: 1.8rem; letter-spacing: -0.8px; }
    .hero-heading { font-size: 2rem; letter-spacing: -1px; }
    .card-header h2 { font-size: 1.4rem; }
    .card-body { padding: 1.25rem 1.25rem 1.75rem !important; }
    .card-header { padding: 1.5rem 1.25rem 0.5rem !important; }

    .btn {
        padding: 0.7rem 1.4rem !important;
        font-size: 0.9rem !important;
    }

    .btn-lg {
        padding: 0.85rem 1.6rem !important;
        font-size: 0.95rem !important;
    }

    .topbar {
        padding: 1rem 1.25rem;
    }

    .topbar .brand { font-size: 1.25rem; }

    .img-size-2 {
        max-width: 100px;
        max-height: 50px;
    }

    .list-group-item {
        padding: 0.85rem 1rem !important;
        font-size: 0.95rem;
    }

    .content-wrap { padding: 0 1.25rem; }
}

@media (max-width: 480px) {
    body { font-size: 14px; }
    .font-title { font-size: 1.5rem; }
    .hero-heading { font-size: 1.75rem; }
    .card-header h2 { font-size: 1.2rem; }
    .card-body { padding: 1rem 1rem 1.5rem !important; }
    .card-header { padding: 1.25rem 1rem 0.5rem !important; }

    form p label { font-size: 0.85rem; }

    input[type="text"],
    input[type="password"],
    textarea {
        padding: 10px 12px !important;
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.65rem 1.25rem !important;
        font-size: 0.88rem !important;
    }

    .topbar { padding: 1rem; }
    .content-wrap { padding: 0 1rem; }
}

/* DataTables: el selector de filas hereda el width:100% de los select y parte
   el "Show N entries" en tres lineas. Lo devolvemos a su tamano natural. */
.dataTables_length label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
    font-size: 0.9rem;
    margin-bottom: 0;
}

.dataTables_length select {
    width: auto !important;
    min-width: 4.5rem;
    padding: 6px 10px !important;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    font-size: 0.85rem;
}

/* Acciones del modal de reseteo total */
.reset-all-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
}

@media (max-width: 480px) {
    /* En pantallas estrechas los dos botones no caben en linea: se apilan
       a ancho completo, que ademas es mas comodo de pulsar. */
    .reset-all-actions .btn {
        flex: 1 1 100%;
    }

    .dataTables_wrapper .dataTables_info,
    .dataTables_wrapper .dataTables_paginate {
        float: none;
        text-align: center;
        width: 100%;
    }
}

/* Body scroll fix */
body { overflow-x: hidden; }
.container, .container-fluid { max-width: 100%; }