:root {
    /* --- TEMA DARK (HUD Original) --- */
    --bg-main: #141619;
    --bg-gradient: radial-gradient(circle at 50% 0, #2c3e50, #141619);
    --text-main: #e0e0e0;
    --text-title: #ffffff;
    --text-subtitle: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --text-label: rgba(255, 255, 255, 0.7);
    --card-bg: rgba(30, 35, 40, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    --input-bg: #2c2f38;
    --input-focus-bg: #363a45;
    --input-border: #555;
    --cyan-primary: #0dcaf0;
    --cyan-glow: rgba(13, 202, 240, 0.5);
    --cyan-alert-bg: rgba(13, 202, 240, 0.15);
    --cyan-alert-border: rgba(13, 202, 240, 0.3);
    --cyan-alert-text: #ffffff;
    --modal-bg: #1a1d21;
    --modal-border: rgba(13, 202, 240, 0.4);
    --soh-badge-bg: #0dcaf0;
    --soh-badge-text: #000000;
    --bar-gradient: linear-gradient(to top, #0dcaf0, #3dd5f3);
    --shadow-color: rgba(0, 0, 0, 0.8);
}

[data-theme='light'] {
    /* --- TEMA LIGHT --- */
    --bg-main: #f8f9fa;
    --bg-gradient: radial-gradient(circle at 50% 0, #e9ecef, #f8f9fa);
    --text-main: #212529;
    --text-title: #1a1d21;
    --text-subtitle: #495057;
    --text-muted: #6c757d;
    --text-label: #212529;
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --input-bg: #f8f9fa;
    --input-focus-bg: #ffffff;
    --input-border: #ced4da;
    --cyan-primary: #00768a;
    --cyan-glow: rgba(0, 118, 138, 0.1);
    --cyan-alert-bg: #e0f7f9;
    --cyan-alert-border: #b2ebf2;
    --cyan-alert-text: #006064;
    --modal-bg: #ffffff;
    --modal-border: #dee2e6;
    --soh-badge-bg: #006064;
    --soh-badge-text: #ffffff;
    --bar-gradient: linear-gradient(to top, #00768a, #0097a7);
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    background-color: var(--bg-main);
    background-image: var(--bg-gradient);
    color: var(--text-main);
}

.hud-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.text-cyan {
    color: var(--cyan-primary);
    text-shadow: 0 0 10px var(--cyan-glow);
}

.text-purple {
    color: #d63384;
}

.tm-title {
    color: var(--text-title);
}

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

.tm-container {
    max-width: 1000px;
}

.tm-badge-soh {
    background-color: var(--soh-badge-bg) !important;
    color: var(--soh-badge-text) !important;
}

.btn-help-circle {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: 1px solid var(--cyan-primary);
    color: var(--cyan-primary);
    transition: all 0.3s ease;
}

.btn-help-circle:hover {
    background-color: var(--cyan-primary);
    color: #fff;
    box-shadow: 0 0 10px var(--cyan-glow);
}

.btn-neon {
    background-color: var(--cyan-primary);
    color: #fff;
    font-weight: 800;
    text-transform: uppercase;
    border: none;
    transition: all 0.3s ease;
    border-radius: 50rem;
}

.btn-neon:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 15px var(--cyan-glow);
    color: #fff;
}

.form-range::-webkit-slider-thumb {
    background: var(--cyan-primary);
}

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

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

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

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

.form-label {
    color: var(--text-label);
}

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

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

.input-group-text {
    background-color: var(--input-border);
    border-color: var(--input-border);
    color: var(--text-main);
}

.waiting-state h3 {
    color: var(--text-main);
}

.waiting-state p {
    color: var(--text-muted);
}

.chart-container {
    display: flex;
    align-items: flex-end;
    height: 300px;
    gap: 10px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--input-border);
    position: relative;
}

.warranty-line {
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(70% + 30px);
    border-top: 2px dashed #dc3545;
    z-index: 5;
}

.warranty-label-text {
    top: -18px;
}

.chart-bar-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    height: 100%;
    position: relative;
}

.chart-bar {
    width: 80%;
    background: var(--bar-gradient);
    border-radius: 4px 4px 0 0;
    transition: height 1s ease;
    position: relative;
    min-height: 2px;
    height: var(--bar-height, 0%);
}

.chart-bar.warning {
    background: linear-gradient(to top, #ffc107, #ffca2c);
}

.chart-bar.danger {
    background: linear-gradient(to top, #dc3545, #ea868f);
}

.chart-label {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.chart-value {
    position: absolute;
    top: -25px;
    color: var(--text-main);
    font-weight: bold;
    font-size: 0.85rem;
}

.methodology-alert {
    background: var(--cyan-alert-bg);
    border: 1px solid var(--cyan-alert-border);
    color: var(--cyan-alert-text);
}

.methodology-alert strong {
    color: var(--cyan-alert-text) !important;
}

.modal-body-custom {
    line-height: 1.6;
}

/* --- MODAL THEMING --- */
.tm-modal {
    background-color: var(--modal-bg) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--modal-border) !important;
}

.tm-modal .modal-header,
.tm-modal .modal-footer {
    border-color: var(--card-border) !important;
}

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

[data-theme='dark'] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* --- THEME TOGGLE BUTTON --- */
.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);
    border-color: var(--cyan-primary);
}

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