:root {
    /* --- TEMA DARK (Por defecto) --- */
    --bg-main: radial-gradient(circle at top center, #111827 0%, #030712 100%);
    --text-main: #e0e0e0;
    --text-title: #ffffff;
    --text-muted: #9ca3af;
    --card-bg: rgba(17, 24, 39, 0.7);
    --card-border: rgba(255, 255, 255, 0.05);
    --hud-bg: rgba(0, 0, 0, 0.4);
    --cyan-primary: #0dcaf0;
    --yellow-primary: #fbbf24;
    --yellow-glow: rgba(251, 191, 36, 0.4);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --modal-bg: #1a1d21;
    --modal-border: rgba(255, 255, 255, 0.1);
    --progress-bg: rgba(255, 255, 255, 0.05);
    --input-bg: rgba(0, 0, 0, 0.3);
    --input-border: rgba(255, 255, 255, 0.1);
    --input-focus-bg: rgba(0, 0, 0, 0.5);
    --table-hover: rgba(255, 255, 255, 0.02);
    --text-on-warning: #000000;
}

[data-theme='light'] {
    /* --- TEMA LIGHT --- */
    --bg-main: #f8f9fa;
    --text-main: #212529;
    --text-title: #1a1d21;
    --text-muted: #6c757d;
    --card-bg: #ffffff;
    --card-border: rgba(0, 118, 138, 0.1);
    --hud-bg: #f1f3f5;
    --cyan-primary: #00768a;
    --yellow-primary: #856404;
    /* Más oscuro para legibilidad */
    --yellow-glow: transparent;
    /* Sin glow en modo claro */
    --shadow-color: rgba(0, 0, 0, 0.1);
    --modal-bg: #ffffff;
    --modal-border: #dee2e6;
    --progress-bg: rgba(0, 0, 0, 0.1);
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-focus-bg: #f8f9fa;
    --table-hover: rgba(0, 0, 0, 0.02);
    --text-on-warning: #ffffff;
}

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

.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: 5rem;
}

/* --- COMPONENTES --- */

.card-hud {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.hud-display {
    background: var(--hud-bg);
    border: 2px solid var(--yellow-primary);
    border-radius: 20px;
    box-shadow: 0 0 20px var(--yellow-glow);
}

.nav-pills .nav-link {
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    margin: 0 5px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s;
}

[data-theme='light'] .nav-pills .nav-link {
    background: rgba(0, 0, 0, 0.05);
}

.nav-pills .nav-link.active {
    background: var(--yellow-primary);
    color: var(--text-on-warning) !important;
    box-shadow: 0 0 15px var(--yellow-glow);
}

.btn-warning {
    background-color: var(--yellow-primary) !important;
    border-color: var(--yellow-primary) !important;
    color: var(--text-on-warning) !important;
}

.form-control,
.form-select {
    background: var(--input-bg);
    background-image: none !important;
    border: 1px solid var(--input-border);
    color: var(--text-main);
    text-align: center;
    font-weight: bold;
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23fbbf24' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 16px 12px !important;
}

[data-theme='light'] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23856404' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
}

.form-control:focus,
.form-select:focus {
    background: var(--input-focus-bg);
    border-color: var(--yellow-primary);
    box-shadow: 0 0 10px var(--yellow-glow);
    color: var(--text-main);
}

[data-theme='light'] .form-control:focus,
[data-theme='light'] .form-select:focus {
    border-color: var(--cyan-primary);
    box-shadow: 0 0 10px rgba(0, 118, 138, 0.2);
}

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

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--card-border);
    font-size: 0.9rem;
}

.progress {
    background: var(--progress-bg);
}

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

[data-theme='light'] .form-control::placeholder {
    color: #6c757d;
    opacity: 1;
}

[data-theme='light'] .form-select::placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control[readonly] {
    opacity: 0.7;
    cursor: default;
}

[data-theme='light'] .form-control[readonly] {
    background-color: #f1f3f5;
    opacity: 1;
    color: #495057;
}

.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(--yellow-primary);
}

.content-wrapper label {
    color: var(--text-main);
    opacity: 0.9;
}

[data-theme='light'] .content-wrapper label {
    color: var(--text-main);
}

[data-theme='light'] .content-wrapper .text-muted {
    color: #495057 !important;
}

[data-theme='light'] .content-wrapper label.text-muted {
    color: #495057 !important;
}

/* --- PROTECCIÓN HEADER & BOOTSTRAP --- */

[data-theme='light'] .content-wrapper .text-warning {
    color: var(--yellow-primary) !important;
}

[data-theme='light'] .content-wrapper .text-white-50 {
    color: var(--text-muted) !important;
}

[data-theme='light'] .content-wrapper .text-white {
    color: var(--text-title) !important;
}

[data-theme='light'] .content-wrapper .text-info {
    color: #0056b3 !important;
}

[data-theme='light'] .content-wrapper .table-dark {
    background-color: #ffffff !important;
    color: var(--text-main) !important;
    border-color: var(--card-border) !important;
    --bs-table-bg: #ffffff !important;
    --bs-table-color: var(--text-main) !important;
}

[data-theme='light'] .content-wrapper .table-dark th,
[data-theme='light'] .content-wrapper .table-dark td {
    background-color: #ffffff !important;
    border-color: #dee2e6 !important;
    color: var(--text-main) !important;
}

[data-theme='light'] .content-wrapper .table-dark thead tr {
    background-color: #f8f9fa !important;
}

[data-theme='light'] .content-wrapper .table-dark thead th {
    background-color: #f8f9fa !important;
    color: #495057 !important;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #dee2e6 !important;
}

[data-theme='light'] .content-wrapper .table-dark tbody tr {
    border-bottom: 1px solid #dee2e6 !important;
}

[data-theme='light'] .content-wrapper .table-dark .text-muted {
    color: #6c757d !important;
}

[data-theme='light'] .table-hover>tbody>tr:hover>* {
    --bs-table-accent-bg: rgba(0, 0, 0, 0.05) !important;
    color: var(--text-main) !important;
}

/* Modales */
.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
}

.tm-modal .modal-content {
    background-color: var(--modal-bg) !important;
    border: 1px solid var(--modal-border);
    box-shadow: 0 10px 40px var(--shadow-color);
    color: var(--text-main);
}

.tm-modal .modal-header {
    background-color: var(--modal-bg);
    border-bottom: 1px solid var(--modal-border);
}

.tm-modal .modal-footer {
    background-color: var(--modal-bg);
    border-top: 1px solid var(--modal-border);
}

.tm-modal .modal-title {
    color: var(--text-title) !important;
    font-weight: 600;
}

.tm-modal .modal-body {
    background-color: var(--modal-bg) !important;
    padding: 1.5rem;
}

.tm-modal .form-label {
    color: var(--text-main) !important;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.tm-modal .form-control,
.tm-modal .form-select {
    background-color: var(--input-bg) !important;
    background-image: none !important;
    border: 1px solid var(--input-border) !important;
    color: var(--text-main) !important;
    text-align: left !important;
    font-weight: normal !important;
    padding: 0.5rem 0.75rem;
}

.tm-modal .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23fbbf24' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 16px 12px !important;
}

[data-theme='light'] .tm-modal .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23856404' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
}

.tm-modal .form-control:focus,
.tm-modal .form-select:focus {
    background-color: var(--input-focus-bg) !important;
    border-color: var(--yellow-primary) !important;
    color: var(--text-main) !important;
    box-shadow: 0 0 0 0.25rem var(--yellow-glow) !important;
    outline: 0;
}

.tm-modal .form-control::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.6;
}

.tm-modal textarea.form-control {
    text-align: left !important;
    resize: vertical;
}

.tm-modal .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.tm-modal .btn-close:hover {
    opacity: 1;
}

[data-theme='light'] .tm-modal .btn-close {
    filter: brightness(0);
    opacity: 0.5;
}

[data-theme='light'] .tm-modal .btn-close:hover {
    opacity: 0.75;
}

/* Ajustes específicos de la herramienta */
.tyre-tabs {
    border-bottom: none;
}

[data-theme='light'] .btn-outline-warning {
    color: var(--yellow-primary);
    border-color: var(--yellow-primary);
}

[data-theme='light'] .btn-outline-warning:hover,
[data-theme='light'] .btn-check:checked+.btn-outline-warning {
    background-color: var(--yellow-primary);
    color: #ffffff;
}

[data-theme='light'] .hud-display .display-1,
[data-theme='light'] .hud-display .h4 {
    color: var(--yellow-primary) !important;
}

[data-theme='light'] .stats-box .text-white {
    color: var(--text-title) !important;
}

[data-theme='light'] .table-hover tr:hover {
    background-color: var(--table-hover);
}

[data-theme='light'] .btn-close {
    filter: none;
}

/* --- Ranking Cards --- */
.ranking-card {
    background: linear-gradient(145deg, rgba(31, 41, 55, 0.8) 0%, rgba(17, 24, 39, 0.95) 100%);
    border: none;
}

[data-theme='light'] .ranking-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
}

.label-small {
    font-size: 0.7rem;
    letter-spacing: 1px;
}

.label-xs {
    font-size: 0.6rem;
    letter-spacing: 1px;
}

.text-spaced {
    letter-spacing: 1px;
}

.glow-success {
    text-shadow: 0 0 15px rgba(25, 135, 84, 0.3);
}

[data-theme='light'] .glow-success {
    text-shadow: none;
}

.progress-thin {
    height: 6px;
}

.progress-glow-warning {
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.4);
}

[data-theme='light'] .progress-glow-warning {
    box-shadow: none;
}

.progress-glow-info {
    box-shadow: 0 0 10px rgba(13, 202, 240, 0.4);
}

[data-theme='light'] .progress-glow-info {
    box-shadow: none;
}

.border-opacity-10 {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

[data-theme='light'] .border-opacity-10 {
    border-color: rgba(0, 0, 0, 0.1) !important;
}

/* Utility classes for layouts */
.min-h-350 {
    min-height: 350px;
}

.max-w-300 {
    max-width: 300px;
}

.max-w-500 {
    max-width: 500px;
}

.table-background-subtle {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme='light'] .table-background-subtle {
    background: rgba(0, 0, 0, 0.02);
}