:root {
    /* --- TEMA DARK (Por defecto) --- */
    --bg-overlay: radial-gradient(circle at top center, #1a2a3a 0%, #0f1214 80%);
    --bg-main: #0f1214;
    --text-main: #e0e0e0;
    --text-title: #ffffff;
    --text-muted: #e0e0e0;

    --card-bg: rgba(20, 25, 30, 0.8);
    --card-border: rgba(0, 210, 255, 0.3);
    --card-shadow: rgba(0, 210, 255, 0.05);

    --nav-container-bg: rgba(0, 0, 0, 0.2);
    --nav-container-border: rgba(255, 255, 255, 0.1);
    --nav-link-color: #e0e0e0;
    --nav-link-hover-bg: rgba(255, 255, 255, 0.05);
    --nav-link-active-bg: rgba(0, 210, 255, 0.15);
    --nav-link-active-color: #fff;
    --nav-link-active-border: #00d2ff;
    --nav-link-active-shadow: 0 0 15px rgba(0, 210, 255, 0.2);

    --input-bg: rgba(0, 0, 0, 0.4);
    --input-border: rgba(255, 255, 255, 0.15);
    --input-text: #fff;
    --input-focus-bg: rgba(0, 0, 0, 0.6);
    --input-focus-border: #00d2ff;
    --input-placeholder: #6c757d;
    --input-group-bg: rgba(0, 0, 0, 0.4);
    --input-group-text: #aaa;
    --select-option-bg: #1a2a3a;
    --input-shadow: 0 0 0 0.25rem rgba(0, 210, 255, 0.25);

    --btn-calc-bg: rgba(255, 255, 255, 0.1);
    --btn-calc-border: #00d2ff;
    --btn-calc-text: #fff;
    --btn-calc-hover-bg: #00d2ff;
    --btn-calc-hover-text: #000;
    --btn-shadow-hover: 0 0 15px #00d2ff;

    /* Result Boxes default (primary/cyan) */
    --res-box-bg: rgba(0, 0, 0, 0.5);

    --res-primary-border: #00d2ff;
    --res-primary-shadow: inset 0 0 20px rgba(0, 210, 255, 0.1);

    --res-info-border: #0dcaf0;
    --res-info-shadow: inset 0 0 20px rgba(13, 202, 240, 0.1);

    --res-warning-border: #ffc107;
    --res-warning-shadow: inset 0 0 20px rgba(255, 193, 7, 0.1);

    --cyan-primary: #00d2ff;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --success-color: #198754;

    /* Specifics */
    --moves-bg: rgba(255, 193, 7, 0.1);
    --moves-border: rgba(255, 193, 7, 0.3);
    --moves-text: #ffc107;

    --irpf-bg: rgba(0, 210, 255, 0.1);
    --irpf-border: rgba(0, 210, 255, 0.3);
    --irpf-text: #00d2ff;

    --info-box-bg: rgba(13, 202, 240, 0.1);
    --info-box-border: rgba(13, 202, 240, 0.3);
    --info-box-text: #0dcaf0;

    --total-bg: rgba(40, 167, 69, 0.15);
    --total-border: rgba(40, 167, 69, 0.4);
    --total-text: #198754;

    --accordion-btn-bg: rgba(0, 0, 0, 0.3);
    --accordion-btn-color: #aaa;
    --accordion-border: rgba(255, 255, 255, 0.1);

    --shadow-color: rgba(0, 0, 0, 0.5);
    --heading-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
}

[data-theme='light'] {
    /* --- TEMA LIGHT --- */
    --bg-overlay: none;
    --bg-main: #f8f9fa;
    --text-main: #212529;
    --text-title: #1a1d21;
    --text-muted: #6c757d;

    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);

    --nav-container-bg: #e9ecef;
    --nav-container-border: #dee2e6;
    --nav-link-color: #495057;
    --nav-link-hover-bg: #dee2e6;
    --nav-link-active-bg: #cfe2ff;
    --nav-link-active-color: #084298;
    --nav-link-active-border: #b6d4fe;
    --nav-link-active-shadow: none;

    --input-bg: #fff;
    --input-border: #ced4da;
    --input-text: #212529;
    --input-focus-bg: #fff;
    --input-focus-border: #86b7fe;
    --input-placeholder: #6c757d;
    --input-group-bg: #e9ecef;
    --input-group-text: #495057;
    --select-option-bg: #fff;
    --input-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);

    --btn-calc-bg: #f8f9fa;
    --btn-calc-border: #0d6efd;
    --btn-calc-text: #0d6efd;
    --btn-calc-hover-bg: #0d6efd;
    --btn-calc-hover-text: #fff;
    --btn-shadow-hover: 0 4px 6px rgba(13, 110, 253, 0.2);

    /* Result Boxes */
    --res-box-bg: #ffffff;

    --res-primary-border: #cfe2ff;
    --res-primary-shadow: none;

    --res-info-border: #cff4fc;
    --res-info-shadow: none;

    --res-warning-border: #fff3cd;
    --res-warning-shadow: none;

    --cyan-primary: #00768a;
    --info-color: #055160;
    --warning-color: #78652a;
    --success-color: #0f5132;

    /* Specifics */
    --moves-bg: #fff3cd;
    --moves-border: #ffecb5;
    --moves-text: #664d03;

    --irpf-bg: #cff4fc;
    --irpf-border: #b6effb;
    --irpf-text: #055160;

    --info-box-bg: #cff4fc;
    --info-box-border: #b6effb;
    --info-box-text: #055160;

    --total-bg: #d1e7dd;
    --total-border: #badbcc;
    --total-text: #0f5132;

    --accordion-btn-bg: #e9ecef;
    --accordion-btn-color: #495057;
    --accordion-border: #dee2e6;

    --shadow-color: rgba(0, 0, 0, 0.1);
    --heading-shadow: none;
}

body {
    background: var(--bg-overlay) !important;
    background-color: var(--bg-main) !important;
    color: var(--text-main);
    transition: background-color 0.3s, color 0.3s;
}

/* Header Protection - Ensures header remains full width */
.navbar .container-fluid,
header .container-fluid,
nav .container-fluid {
    max-width: none !important;
    width: 100% !important;
}

/* Content Wrapper */
.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

/* Scoped Styles */
.content-wrapper h1,
.content-wrapper h2,
.content-wrapper h3,
.content-wrapper h4 {
    color: var(--text-title);
    text-shadow: var(--heading-shadow);
}

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

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle i {
    font-size: 1.2rem;
    color: var(--cyan-primary);
}

/* --- TARJETA HUD --- */
.tech-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px var(--card-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

/* --- TABS PERSONALIZADAS --- */
.nav-pills {
    gap: 10px;
    margin-bottom: 2rem;
    background: var(--nav-container-bg);
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--nav-container-border);
}

.nav-pills .nav-link {
    color: var(--nav-link-color);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.nav-pills .nav-link:hover {
    color: var(--text-title);
    background: var(--nav-link-hover-bg);
}

/* Estados Activos por Color */
.nav-pills .nav-link.active {
    background: var(--nav-link-active-bg);
    color: var(--nav-link-active-color);
    border: 1px solid var(--nav-link-active-border);
    box-shadow: var(--nav-link-active-shadow);
}

/* --- FORMULARIOS --- */
.form-control,
.form-select,
.input-group-text {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-text);
}

.input-group-text {
    border-right: none;
    color: var(--input-group-text);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--input-focus-bg);
    border-color: var(--input-focus-border);
    box-shadow: var(--input-shadow);
    color: var(--input-text);
}

.form-control::placeholder {
    color: var(--input-placeholder);
    opacity: 0.8;
}

.form-select option {
    background-color: var(--select-option-bg);
    color: var(--text-main);
}

.form-label {
    color: var(--cyan-primary);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    margin-bottom: 0.4rem;
    font-weight: 600;
}

/* --- CAJAS DE RESULTADOS --- */
.result-box {
    background: var(--res-box-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid;
    transition: all 0.3s;
}

.result-primary {
    border-color: var(--res-primary-border);
    box-shadow: var(--res-primary-shadow);
}

.result-info {
    border-color: var(--res-info-border);
    box-shadow: var(--res-info-shadow);
}

.result-warning {
    border-color: var(--res-warning-border);
    box-shadow: var(--res-warning-shadow);
}

/* --- BOTONES --- */
.btn-calculate {
    background: var(--btn-calc-bg);
    border: 1px solid var(--btn-calc-border);
    color: var(--btn-calc-text);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 100%;
    padding: 0.8rem;
    transition: all 0.3s;
}

.btn-calculate:hover {
    background: var(--btn-calc-hover-bg);
    color: var(--btn-calc-hover-text);
    box-shadow: var(--btn-shadow-hover);
}

.btn-info-custom {
    background: var(--btn-calc-bg);
    border: 1px solid var(--info-color);
    color: var(--info-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 100%;
    padding: 0.8rem;
}

[data-theme='dark'] .btn-info-custom {
    color: #fff;
}

.btn-info-custom:hover {
    background: var(--info-color);
    color: #fff;
    box-shadow: 0 0 15px var(--info-color);
}

.btn-warning-custom {
    background: var(--btn-calc-bg);
    border: 1px solid var(--warning-color);
    color: var(--warning-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 100%;
    padding: 0.8rem;
}

[data-theme='dark'] .btn-warning-custom {
    color: #fff;
}

.btn-warning-custom:hover {
    background: var(--warning-color);
    color: #fff;
    box-shadow: 0 0 15px var(--warning-color);
}


/* --- ELEMENTOS ESPECÍFICOS REFACTORIZADOS --- */
.tm-title {
    color: var(--cyan-primary) !important;
}

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

/* Cajas de resumen interno */
.summary-box-moves {
    background: var(--moves-bg) !important;
    border: 1px solid var(--moves-border) !important;
    color: var(--moves-text) !important;
    padding: 1rem;
    border-radius: 8px;
}

.summary-box-moves h3,
.summary-box-moves small,
.summary-box-moves i {
    color: var(--moves-text) !important;
}

.summary-box-irpf {
    background: var(--irpf-bg) !important;
    border: 1px solid var(--irpf-border) !important;
    color: var(--irpf-text) !important;
    padding: 1rem;
    border-radius: 8px;
}

.summary-box-irpf h3,
.summary-box-irpf small,
.summary-box-irpf i {
    color: var(--irpf-text) !important;
}

.summary-box-info {
    background: var(--info-box-bg) !important;
    border: 1px solid var(--info-box-border) !important;
    color: var(--info-box-text) !important;
    padding: 1rem;
    border-radius: 8px;
}

.summary-box-info h3,
.summary-box-info small,
.summary-box-info i {
    color: var(--info-box-text) !important;
}

.summary-box-total {
    background: var(--total-bg) !important;
    border: 1px solid var(--total-border) !important;
    color: var(--total-text) !important;
    padding: 1rem;
    border-radius: 8px;
}

.summary-box-total h3,
.summary-box-total small,
.summary-box-total i {
    color: var(--total-text) !important;
}

/* Alertas */
.tm-alert-warning {
    background: var(--moves-bg) !important;
    border: 1px solid var(--moves-border) !important;
    color: var(--moves-text) !important;
}

.tm-alert-warning strong,
.tm-alert-warning span,
.tm-alert-warning i,
.tm-alert-warning div {
    color: var(--moves-text) !important;
}

[data-theme='light'] .tm-alert-warning span {
    opacity: 1 !important;
}

/* Acordeón */
.accordion-item {
    background: transparent !important;
    border: 1px solid var(--accordion-border) !important;
}

.accordion-button {
    background: var(--accordion-btn-bg) !important;
    color: var(--accordion-btn-color) !important;
}

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

/* Specific overrides for warning texts that were hardcoded */
.text-warning-theme {
    color: var(--warning-color) !important;
}

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

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

.text-primary-theme {
    color: var(--cyan-primary) !important;
}

/* CAE Tab specifics */
.tech-card-warning {
    border-color: var(--warning-color) !important;
}

.tech-card-warning h4 {
    color: var(--warning-color) !important;
}

.alert-warning-theme {
    background: transparent !important;
    border: 1px solid var(--warning-color) !important;
    color: var(--warning-color) !important;
}

.alert-warning-theme i,
.alert-warning-theme div {
    color: var(--warning-color) !important;
}

/* --- BANNER LOGIN --- */
.banner-login {
    background: rgba(0, 210, 255, 0.03);
    border: 1px solid rgba(0, 210, 255, 0.15);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

[data-theme='dark'] .banner-login {
    background-image: linear-gradient(135deg, rgba(0, 210, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.banner-login:hover {
    border-color: rgba(0, 210, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* --- WELCOME BOX --- */
.welcome-box {
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    background: rgba(0, 210, 255, 0.05);
    border: 1px solid rgba(0, 210, 255, 0.1);
    border-left: 4px solid var(--nav-link-active-border);
}

/* --- TABLAS HUD --- */
.table-dark-custom {
    width: 100%;
    color: var(--text-main);
    border-collapse: separate;
    border-spacing: 0;
}

.table-dark-custom th {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--cyan-primary);
    text-transform: uppercase;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 1.2rem 1rem;
    border-bottom: 2px solid rgba(0, 210, 255, 0.2);
    white-space: nowrap;
}

.table-dark-custom td {
    padding: 1.2rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: middle;
}

.table-dark-custom tr:last-child td {
    border-bottom: none;
}

.table-dark-custom tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Fixes for badges */
.badge.bg-dark {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: var(--text-main);
    font-weight: 400;
    padding: 0.4em 0.8em;
}

[data-theme='light'] .badge.bg-dark {
    background-color: #f1f3f5 !important;
    border-color: #dee2e6 !important;
    color: #212529;
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--cyan-primary), #00768a);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {

    .table-dark-custom th,
    .table-dark-custom td {
        padding: 0.8rem 0.5rem;
        font-size: 0.85rem;
    }
}