/**
 * TCO Calculator Page Styles
 * ==========================
 * 
 * Full-page TCO calculator styling.
 * Mobile-first, responsive design.
 */

/* =========================================================================
   CSS CUSTOM PROPERTIES
   ========================================================================= */

:root {
    --tco-primary: #00d4aa;
    --tco-primary-dark: #00b894;
    --tco-secondary: #6c5ce7;
    --tco-bg-dark: #0d0d1a;
    --tco-bg-panel: rgba(255, 255, 255, 0.03);
    --tco-bg-panel-hover: rgba(255, 255, 255, 0.06);
    --tco-border: rgba(255, 255, 255, 0.1);
    --tco-text: #ffffff;
    --tco-text-muted: rgba(255, 255, 255, 0.6);
    --tco-build-color: #e74c3c;
    --tco-build-gradient: linear-gradient(135deg, #c0392b, #e74c3c);
    --tco-buy-color: #00d4aa;
    --tco-buy-gradient: linear-gradient(135deg, #00b894, #00d4aa);
    --tco-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --tco-radius: 16px;
    --tco-radius-sm: 8px;
    --tco-transition: all 0.3s ease;
}

/* =========================================================================
   HERO SECTION
   ========================================================================= */

.tco-hero {
    padding-top: 120px;
    background: linear-gradient(180deg, var(--tco-bg-dark) 0%, rgba(13, 13, 26, 0.8) 100%);
}

.tco-hero h1 {
    background: linear-gradient(135deg, var(--tco-text) 0%, var(--tco-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =========================================================================
   PANELS
   ========================================================================= */

.tco-panel {
    background: var(--tco-bg-panel);
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius);
    padding: 1.5rem;
    box-shadow: var(--tco-shadow);
    backdrop-filter: blur(10px);
}

@media (min-width: 992px) {
    .tco-panel {
        padding: 2rem;
    }
}

.tco-panel__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--tco-text);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tco-panel__icon {
    font-size: 1.5rem;
}

/* =========================================================================
   INPUT GROUPS
   ========================================================================= */

.tco-input-group {
    margin-bottom: 1.5rem;
}

.tco-input-group--nested {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--tco-radius-sm);
    padding: 1rem;
    margin-top: -0.5rem;
}

.tco-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--tco-text);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.tco-label--small {
    font-size: 0.85rem;
    margin-top: 1rem;
}

.tco-label__value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--tco-primary);
    min-width: 4ch;
    text-align: right;
}

/* =========================================================================
   RADIO BUTTONS
   ========================================================================= */

.tco-radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tco-radio-group--horizontal {
    flex-direction: row;
    flex-wrap: wrap;
}

.tco-radio {
    display: block;
    cursor: pointer;
}

.tco-radio input {
    display: none;
}

.tco-radio__label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius-sm);
    transition: var(--tco-transition);
}

.tco-radio input:checked + .tco-radio__label {
    background: rgba(0, 212, 170, 0.1);
    border-color: var(--tco-primary);
}

.tco-radio:hover .tco-radio__label {
    background: var(--tco-bg-panel-hover);
}

.tco-radio__icon {
    font-size: 1.25rem;
}

.tco-radio--compact .tco-radio__label {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* =========================================================================
   CHECKBOXES
   ========================================================================= */

.tco-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    margin-bottom: 0.5rem;
}

.tco-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--tco-primary);
    cursor: pointer;
}

.tco-checkbox__label {
    font-size: 0.9rem;
    color: var(--tco-text-muted);
}

/* =========================================================================
   SLIDERS
   ========================================================================= */

.tco-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(to right, var(--tco-primary), var(--tco-secondary));
    outline: none;
    cursor: pointer;
}

.tco-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--tco-text);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease;
}

.tco-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.tco-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--tco-text);
    cursor: pointer;
    border: none;
}

.tco-slider--small {
    height: 6px;
}

.tco-slider--small::-webkit-slider-thumb {
    width: 18px;
    height: 18px;
}

.tco-slider__marks {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--tco-text-muted);
    margin-top: 0.5rem;
}

.tco-slider__value {
    font-size: 0.85rem;
    color: var(--tco-text-muted);
    text-align: center;
    margin-top: 0.25rem;
}

/* =========================================================================
   SELECT
   ========================================================================= */

.tco-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius-sm);
    color: var(--tco-text);
    font-size: 0.9rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23ffffff' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.tco-select:focus {
    outline: none;
    border-color: var(--tco-primary);
}

.tco-select option {
    background: #1a1a2e;
    color: var(--tco-text);
}

/* =========================================================================
   INPUT
   ========================================================================= */

.tco-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius-sm);
    color: var(--tco-text);
    font-size: 0.9rem;
}

.tco-input:focus {
    outline: none;
    border-color: var(--tco-primary);
}

/* =========================================================================
   BUTTONS
   ========================================================================= */

.tco-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--tco-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--tco-transition);
}

.tco-btn--primary {
    background: var(--tco-primary);
    color: #000;
}

.tco-btn--primary:hover {
    background: var(--tco-primary-dark);
    transform: translateY(-2px);
}

.tco-btn--secondary {
    background: transparent;
    color: var(--tco-text);
    border: 1px solid var(--tco-border);
}

.tco-btn--secondary:hover {
    background: var(--tco-bg-panel-hover);
    border-color: var(--tco-primary);
}

.tco-btn__arrow {
    font-size: 1.2rem;
    transition: transform 0.2s ease;
}

.tco-btn:hover .tco-btn__arrow {
    transform: translateX(4px);
}

/* =========================================================================
   RESULTS - HEADLINE
   ========================================================================= */

.tco-headline {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(108, 92, 231, 0.1));
    border-radius: var(--tco-radius-sm);
}

.tco-headline__text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--tco-text);
    margin: 0;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .tco-headline__text {
        font-size: 1.5rem;
    }
}

/* =========================================================================
   RESULTS - CHART
   ========================================================================= */

.tco-chart-container {
    margin-bottom: 2rem;
}

.tco-chart {
    width: 100%;
    height: 300px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--tco-radius-sm);
}

@media (min-width: 768px) {
    .tco-chart {
        height: 350px;
    }
}

/* =========================================================================
   RESULTS - BREAKDOWN
   ========================================================================= */

.tco-breakdown {
    margin-bottom: 2rem;
}

.tco-breakdown__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--tco-text);
    margin-bottom: 1rem;
}

.tco-breakdown__card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--tco-radius-sm);
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.tco-breakdown__card--build {
    border-left-color: var(--tco-build-color);
}

.tco-breakdown__card--buy {
    border-left-color: var(--tco-buy-color);
}

.tco-breakdown__card h5 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--tco-text);
    margin-bottom: 0.75rem;
}

.tco-breakdown__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tco-breakdown__list li {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--tco-text-muted);
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tco-breakdown__list li:last-child {
    border-bottom: none;
}

.tco-breakdown__list li span:last-child {
    font-weight: 600;
    color: var(--tco-text);
}

.tco-breakdown__total {
    font-weight: 700 !important;
    font-size: 1rem !important;
    color: var(--tco-text) !important;
    padding-top: 0.5rem !important;
    margin-top: 0.25rem;
    border-top: 1px solid var(--tco-border) !important;
    border-bottom: none !important;
}

/* =========================================================================
   RESULTS - HIDDEN COSTS
   ========================================================================= */

.tco-hidden-costs {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(241, 196, 15, 0.1));
    border-radius: var(--tco-radius-sm);
    padding: 1.25rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(241, 196, 15, 0.2);
}

.tco-hidden-costs__title {
    font-size: 1rem;
    font-weight: 600;
    color: #f1c40f;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tco-hidden-costs__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tco-hidden-costs__list li {
    font-size: 0.9rem;
    color: var(--tco-text-muted);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.tco-hidden-costs__list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #f1c40f;
}

/* =========================================================================
   RESULTS - METRICS
   ========================================================================= */

.tco-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .tco-metrics {
        grid-template-columns: repeat(4, 1fr);
    }
}

.tco-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--tco-radius-sm);
}

.tco-metric__icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.tco-metric__label {
    font-size: 0.8rem;
    color: var(--tco-text-muted);
    margin-bottom: 0.25rem;
}

.tco-metric__value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tco-text);
}

.tco-metric__value--highlight {
    color: #2ecc71;
    font-size: 1.25rem;
}

/* =========================================================================
   RESULTS - RECOMMENDATION
   ========================================================================= */

.tco-recommendation {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(0, 184, 148, 0.05));
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: var(--tco-radius-sm);
    padding: 1.25rem;
    margin-bottom: 2rem;
}

.tco-recommendation p {
    font-size: 1rem;
    color: var(--tco-text);
    margin: 0;
    line-height: 1.5;
}

/* =========================================================================
   RESULTS - ACTIONS
   ========================================================================= */

.tco-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

@media (min-width: 576px) {
    .tco-actions {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* =========================================================================
   LOADING STATE
   ========================================================================= */

.tco-panel--loading {
    position: relative;
}

.tco-panel--loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 13, 26, 0.7);
    border-radius: var(--tco-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =========================================================================
   ANIMATIONS
   ========================================================================= */

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

.tco-breakdown,
.tco-hidden-costs,
.tco-metrics,
.tco-recommendation,
.tco-actions {
    animation: fadeIn 0.4s ease-out;
}

/* =========================================================================
   FOOTER ADJUSTMENTS
   ========================================================================= */

.footer {
    background: var(--tco-bg-dark);
    border-top: 1px solid var(--tco-border);
}

.footer a {
    color: var(--tco-text-muted);
    text-decoration: none;
}

.footer a:hover {
    color: var(--tco-primary);
}

/* =========================================================================
   METHODOLOGY SECTION
   ========================================================================= */

.tco-methodology {
    background: var(--tco-bg-card);
    border-radius: var(--tco-radius);
    border: 1px solid var(--tco-border);
    overflow: hidden;
}

.tco-methodology__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--tco-text-muted);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tco-methodology__toggle:hover {
    background: rgba(255,255,255,0.03);
    color: var(--tco-text);
}

.tco-methodology__icon {
    font-size: 1.25rem;
}

.tco-methodology__arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
    font-size: 0.75rem;
}

.tco-methodology__toggle[aria-expanded="true"] .tco-methodology__arrow {
    transform: rotate(180deg);
}

.tco-methodology__content {
    padding: 1.5rem;
    border-top: 1px solid var(--tco-border);
}

.tco-methodology__content h5 {
    color: var(--tco-primary);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.tco-methodology__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tco-methodology__list li {
    font-size: 0.85rem;
    color: var(--tco-text-muted);
    padding: 0.4rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.tco-methodology__list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--tco-primary);
}

.tco-methodology__note {
    font-size: 0.85rem;
    color: var(--tco-text-muted);
    background: rgba(0,255,136,0.05);
    padding: 1rem;
    border-radius: var(--tco-radius-sm);
    border-left: 3px solid var(--tco-primary);
}

.tco-methodology__note a {
    color: var(--tco-primary);
}

/* =========================================================================
   CONTEXTUAL NEXT STEPS
   ========================================================================= */

.tco-next-steps {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border-radius: var(--tco-radius-sm);
    animation: fadeIn 0.4s ease-out;
}

.tco-next-steps--positive {
    background: linear-gradient(135deg, rgba(0,255,136,0.1), rgba(0,200,100,0.05));
    border: 1px solid rgba(0,255,136,0.3);
}

.tco-next-steps--neutral {
    background: linear-gradient(135deg, rgba(241,196,15,0.1), rgba(241,196,15,0.05));
    border: 1px solid rgba(241,196,15,0.3);
}

.tco-next-steps h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.tco-next-steps--positive h4 {
    color: var(--tco-primary);
}

.tco-next-steps--neutral h4 {
    color: #f1c40f;
}

.tco-next-steps p {
    font-size: 0.9rem;
    color: var(--tco-text-muted);
    margin-bottom: 1rem;
}

.tco-next-steps ol {
    padding-left: 1.25rem;
    margin-bottom: 1rem;
}

.tco-next-steps ol li {
    font-size: 0.9rem;
    color: var(--tco-text-muted);
    padding: 0.25rem 0;
}

/* =========================================================================
   OPPORTUNITY COST HELPER
   ========================================================================= */

.tco-helper-text {
    font-size: 0.8rem;
    color: var(--tco-text-muted);
    background: rgba(241,196,15,0.1);
    padding: 0.75rem;
    border-radius: var(--tco-radius-sm);
    margin-top: 0.5rem;
    border-left: 3px solid #f1c40f;
}

.tco-helper-text strong {
    color: #f1c40f;
}

/* =========================================================================
   COGNITIVE TIER TOOLTIPS
   ========================================================================= */

.tco-tier-selector {
    position: relative;
}

.tco-tier-option {
    position: relative;
}

.tco-tier-option--popular .tco-radio__label::after {
    content: "★";
    font-size: 0.7rem;
    color: #ffc107;
    margin-left: 4px;
}

.tco-tier-info {
    position: absolute;
    top: -2px;
    right: -2px;
    font-size: 0.65rem;
    opacity: 0.7;
    cursor: help;
    z-index: 5;
}

.tco-tier-tooltip {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
    pointer-events: none;
}

.tco-tier-tooltip::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #16213e;
}

.tco-tier-option:hover .tco-tier-tooltip,
.tco-tier-info:hover + .tco-tier-tooltip {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.tco-tier-tooltip__header {
    text-align: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.tco-tier-tooltip__header strong {
    display: block;
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.25rem;
}

.tco-tier-tooltip__tagline {
    display: block;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    font-style: italic;
}

.tco-tier-tooltip__badge {
    display: inline-block;
    background: #ffc107;
    color: #000;
    font-size: 0.65rem;
    font-weight: bold;
    padding: 2px 8px;
    border-radius: 10px;
    margin-bottom: 4px;
}

.tco-tier-tooltip__desc {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.tco-tier-tooltip__price {
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

.tco-tier-tooltip--core .tco-tier-tooltip__price { color: #64b5f6; }
.tco-tier-tooltip--cognitive .tco-tier-tooltip__price { color: #81c784; }
.tco-tier-tooltip--enterprise .tco-tier-tooltip__price { color: #ce93d8; }

.tco-tier-tooltip__price span {
    font-size: 0.7rem;
    font-weight: normal;
    opacity: 0.7;
}

.tco-tier-tooltip__price em {
    display: block;
    font-size: 0.75rem;
    font-weight: normal;
    font-style: normal;
    opacity: 0.8;
}

.tco-tier-tooltip__features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tco-tier-tooltip__features li {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.9);
    padding: 4px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.tco-tier-tooltip__features li:last-child {
    border-bottom: none;
}

/* Tooltip positioning for edge cases */
.tco-tier-option:first-child .tco-tier-tooltip {
    left: 0;
    transform: translateX(0);
}

.tco-tier-option:first-child .tco-tier-tooltip::before {
    left: 30px;
    transform: translateX(0);
}

.tco-tier-option:last-child .tco-tier-tooltip {
    left: auto;
    right: 0;
    transform: translateX(0);
}

.tco-tier-option:last-child .tco-tier-tooltip::before {
    left: auto;
    right: 30px;
    transform: translateX(0);
}

/* =========================================================================
   OPPORTUNITY COST ANALYSIS SECTION
   ========================================================================= */

.tco-panel--analysis {
    margin-top: 1rem;
}

.tco-panel__subtitle {
    font-size: 0.95rem;
    color: var(--tco-text-muted);
    font-style: italic;
    margin-bottom: 1.5rem;
}

/* Warning Box */
.tco-warning-box {
    background: rgba(255, 193, 7, 0.15);
    border-left: 4px solid #ffc107;
    border-radius: var(--tco-radius-sm);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.tco-warning-box h5 {
    color: #ffc107;
    margin: 0 0 0.75rem 0;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tco-warning-box p {
    color: var(--tco-text);
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

.tco-warning-box strong {
    color: #ffc107;
}

/* Tables */
.tco-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.tco-table th,
.tco-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--tco-border);
}

.tco-table th {
    background: rgba(0, 212, 170, 0.1);
    color: var(--tco-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tco-table td {
    color: var(--tco-text);
}

.tco-table td strong {
    color: var(--tco-text);
}

.tco-table__highlight-green {
    background: rgba(76, 175, 80, 0.15);
}

.tco-table__highlight-green td {
    color: #81c784;
}

.tco-table__highlight-blue {
    background: rgba(33, 150, 243, 0.15);
}

.tco-table__highlight-blue td {
    color: #64b5f6;
}

.tco-table__total {
    background: linear-gradient(135deg, var(--tco-primary-dark), var(--tco-primary));
}

.tco-table__total td {
    color: #0d0d1a !important;
    font-weight: 600;
    font-size: 1rem;
}

/* Tips Box */
.tco-tips-box {
    background: rgba(76, 175, 80, 0.1);
    border-radius: var(--tco-radius-sm);
    padding: 1.25rem;
    margin: 1rem 0;
}

.tco-tips-box h6 {
    color: #81c784;
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
}

.tco-tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tco-tips-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--tco-text);
    font-size: 0.9rem;
    line-height: 1.5;
}

.tco-tips-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #81c784;
    font-weight: bold;
}

.tco-tips-list li strong {
    color: var(--tco-text);
    display: block;
    margin-bottom: 0.25rem;
}

.tco-tips-list li em {
    display: block;
    font-size: 0.85rem;
    color: var(--tco-text-muted);
    margin-top: 0.25rem;
}

/* Confidence Box */
.tco-confidence-box {
    background: rgba(255, 193, 7, 0.1);
    border-radius: var(--tco-radius-sm);
    padding: 1.25rem;
    margin-top: 1.5rem;
}

.tco-confidence-box h6 {
    color: #ffc107;
    margin: 0 0 0.75rem 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tco-confidence-box p {
    color: var(--tco-text);
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* =========================================================================
   GLOSSARY SECTION
   ========================================================================= */

.tco-panel--glossary {
    background: var(--tco-bg-panel);
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius);
    overflow: hidden;
}

.tco-glossary__toggle {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--tco-text);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--tco-transition);
}

.tco-glossary__toggle:hover {
    background: var(--tco-bg-panel-hover);
}

.tco-glossary__icon {
    font-size: 1.5rem;
}

.tco-glossary__arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
}

.tco-glossary__toggle[aria-expanded="true"] .tco-glossary__arrow {
    transform: rotate(180deg);
}

.tco-glossary__content {
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.tco-glossary__intro {
    font-size: 0.95rem;
    color: var(--tco-text-muted);
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.tco-table--glossary th {
    background: rgba(108, 92, 231, 0.15);
    color: var(--tco-secondary);
}

.tco-table--glossary td:first-child {
    width: 25%;
    vertical-align: top;
}

.tco-table--glossary br {
    margin-bottom: 0.5rem;
}

/* Assumptions Box */
.tco-assumptions-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius-sm);
    padding: 1.25rem;
    margin: 1rem 0;
}

.tco-assumptions-box p {
    color: var(--tco-text);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.tco-assumptions-box p:last-child {
    margin-bottom: 0;
}

.tco-assumptions-box strong {
    color: var(--tco-primary);
}

/* Transparency Note */
.tco-transparency-note {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(108, 92, 231, 0.1));
    border-radius: var(--tco-radius-sm);
    padding: 1rem 1.25rem;
    margin-top: 1.5rem;
    text-align: center;
}

.tco-transparency-note p {
    color: var(--tco-text);
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
}

/* Responsive adjustments for tables */
@media (max-width: 768px) {
    .tco-table th,
    .tco-table td {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .tco-table--glossary td:first-child {
        width: 35%;
    }
    
    .tco-glossary__content {
        padding: 0 1rem 1rem 1rem;
    }
}

/* =========================================================================
   TOTAL ECONOMIC ADVANTAGE HEADER (Gradient Banner like reference)
   ========================================================================= */

.tco-total-advantage {
    background: linear-gradient(135deg, #6c5ce7 0%, #00d4aa 100%);
    border: none;
    border-radius: var(--tco-radius);
    padding: 2rem 2.5rem;
    text-align: left;
    margin: 1.5rem 0;
    box-shadow: 0 8px 32px rgba(108, 92, 231, 0.3);
}

.tco-total-advantage__label {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    text-transform: none;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.tco-total-advantage__value {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.tco-total-advantage__subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.tco-total-advantage__subtitle span {
    font-weight: 700;
    color: #ffffff;
}

@media (min-width: 768px) {
    .tco-total-advantage__value {
        font-size: 3.5rem;
    }
    
    .tco-total-advantage {
        padding: 2.5rem 3rem;
    }
}

/* =========================================================================
   STRATEGIC RECOMMENDATION BOX (GREEN)
   ========================================================================= */

.tco-strategic-recommendation {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.15), rgba(46, 204, 113, 0.1));
    border: 2px solid #27ae60;
    border-radius: var(--tco-radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.tco-strategic-recommendation__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2ecc71;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tco-strategic-recommendation__text {
    color: var(--tco-text);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.tco-strategic-recommendation--negative {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.15), rgba(192, 57, 43, 0.1));
    border-color: #e74c3c;
}

.tco-strategic-recommendation--negative .tco-strategic-recommendation__title {
    color: #e74c3c;
}

/* =========================================================================
   COST SUMMARY BOXES (4 boxes row)
   ========================================================================= */

.tco-cost-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .tco-cost-summary {
        grid-template-columns: repeat(4, 1fr);
    }
}

.tco-cost-summary__box {
    background: var(--tco-bg-panel);
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius-sm);
    padding: 1rem;
    text-align: center;
}

.tco-cost-summary__box--build {
    border-color: rgba(231, 76, 60, 0.3);
}

.tco-cost-summary__box--buy {
    border-color: rgba(0, 212, 170, 0.3);
}

.tco-cost-summary__box--savings {
    border-color: rgba(46, 204, 113, 0.3);
    background: rgba(46, 204, 113, 0.05);
}

.tco-cost-summary__box--opportunity {
    border-color: rgba(108, 92, 231, 0.3);
}

.tco-cost-summary__label {
    font-size: 0.75rem;
    color: var(--tco-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.tco-cost-summary__value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tco-text);
}

.tco-cost-summary__box--build .tco-cost-summary__value {
    color: #e74c3c;
}

.tco-cost-summary__box--buy .tco-cost-summary__value {
    color: var(--tco-primary);
}

.tco-cost-summary__box--savings .tco-cost-summary__value {
    color: #2ecc71;
}

.tco-cost-summary__box--opportunity .tco-cost-summary__value {
    color: var(--tco-secondary);
}

/* =========================================================================
   METRIC SUBLABELS (for dual ROI/Breakeven display)
   ========================================================================= */

.tco-metric__sublabel {
    font-size: 0.65rem;
    color: var(--tco-text-muted);
    font-weight: 400;
    display: block;
    margin-top: 2px;
}

.tco-metric__dual {
    font-size: inherit;
    font-weight: inherit;
}