/* ==========================================================================
   M-Tech SE Booking Plugin — Frontend Styles
   Uses CSS custom properties from the parent theme where available.
   ========================================================================== */

:root {
    --bk-red:     #e63329;
    --bk-dark:    #1a1a1a;
    --bk-surface: #252525;
    --bk-border:  #2e2e2e;
    --bk-text:    #e0e0e0;
    --bk-muted:   #888888;
    --bk-white:   #ffffff;
    --bk-accent:  #f5a623;
    --bk-green:   #27ae60;
    --bk-radius:  8px;
    --bk-trans:   0.18s ease;
}

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0;
    margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* ==========================================================================
   Step Indicators
   ========================================================================== */

.mtechse-steps {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bk-surface);
    border-radius: var(--bk-radius);
    overflow-x: auto;
}

.mtechse-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    opacity: 0.4;
    transition: opacity var(--bk-trans);
    flex-shrink: 0;
}

.mtechse-step.active { opacity: 1; }

.step-num {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--bk-border);
    color: var(--bk-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    transition: all var(--bk-trans);
}

.mtechse-step.active .step-num {
    background: var(--bk-red);
    color: var(--bk-white);
}

.mtechse-step.done .step-num {
    background: var(--bk-green);
    color: var(--bk-white);
}

.step-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--bk-muted);
    white-space: nowrap;
}

.mtechse-step.active .step-label { color: var(--bk-text); }

.mtechse-step-divider {
    flex: 1;
    height: 2px;
    background: var(--bk-border);
    min-width: 2rem;
    margin: 0 0.5rem;
    position: relative;
    top: -0.75rem;
}

/* ==========================================================================
   Panels
   ========================================================================== */

.mtechse-panel {
    display: none;
}

.mtechse-panel.active {
    display: block;
    animation: mtechseFadeIn 0.25s ease;
}

@keyframes mtechseFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: none; }
}

.mtechse-panel h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--bk-white);
}

.mtechse-panel-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.mtechse-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    background: var(--bk-red);
    color: var(--bk-white);
    border: 2px solid var(--bk-red);
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--bk-trans);
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
}

.mtechse-btn:hover:not(:disabled) {
    background: #b5251d;
    border-color: #b5251d;
    color: var(--bk-white);
    transform: translateY(-1px);
}

.mtechse-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.mtechse-btn-outline {
    background: transparent;
    color: var(--bk-text);
    border-color: var(--bk-border);
}

.mtechse-btn-outline:hover:not(:disabled) {
    background: var(--bk-surface);
    border-color: var(--bk-text);
    transform: none;
}

.mtechse-btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.mtechse-btn-danger {
    background: transparent;
    border-color: #c0392b;
    color: #e74c3c;
}

.mtechse-btn-danger:hover:not(:disabled) {
    background: #c0392b;
    color: var(--bk-white);
    transform: none;
}

/* ==========================================================================
   Step 1 — Service Grid
   ========================================================================== */

.mtechse-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.mtechse-service-card {
    cursor: pointer;
    display: block;
}

.service-card-inner {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.25rem;
    background: var(--bk-surface);
    border: 2px solid var(--bk-border);
    border-radius: var(--bk-radius);
    transition: all var(--bk-trans);
}

.mtechse-service-card:hover .service-card-inner,
.mtechse-service-card.selected .service-card-inner {
    border-color: var(--bk-red);
    background: rgba(230,51,41,0.08);
}

.service-name {
    font-weight: 700;
    color: var(--bk-white);
    font-size: 0.95rem;
}

.service-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--bk-red);
}

.service-duration {
    font-size: 0.8rem;
    color: var(--bk-muted);
}

/* ==========================================================================
   Step 2 — Calendar
   ========================================================================== */

.mtechse-calendar-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 640px) {
    .mtechse-calendar-wrap { grid-template-columns: 1fr; }
}

.mtechse-calendar {
    background: var(--bk-surface);
    border: 1px solid var(--bk-border);
    border-radius: var(--bk-radius);
    overflow: hidden;
}

.cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--bk-dark);
    border-bottom: 1px solid var(--bk-border);
}

.cal-month-year {
    font-weight: 700;
    font-size: 1rem;
    color: var(--bk-white);
}

.cal-nav {
    background: none;
    border: none;
    color: var(--bk-text);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: background var(--bk-trans);
    line-height: 1;
}

.cal-nav:hover {
    background: var(--bk-border);
}

.cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    padding: 0.5rem 0.75rem 0.25rem;
    gap: 0.25rem;
}

.cal-weekdays span {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--bk-muted);
}

.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    padding: 0.5rem 0.75rem 0.75rem;
    gap: 0.25rem;
}

.cal-day, .cal-empty {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all var(--bk-trans);
    background: none;
    color: var(--bk-text);
}

.cal-day.cal-past,
.cal-day.cal-unavailable {
    color: var(--bk-border);
    cursor: not-allowed;
    opacity: 0.5;
}

.cal-day.cal-available:hover {
    background: rgba(230,51,41,0.2);
    color: var(--bk-white);
}

.cal-day.cal-available {
    color: var(--bk-white);
}

.cal-day.selected {
    background: var(--bk-red);
    color: var(--bk-white);
}

.cal-empty {
    pointer-events: none;
}

/* Time slots */

.mtechse-slots-wrap {
    background: var(--bk-surface);
    border: 1px solid var(--bk-border);
    border-radius: var(--bk-radius);
    padding: 1.25rem;
}

.slots-heading {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--bk-muted);
    margin-bottom: 1rem;
}

.slots-placeholder {
    color: var(--bk-muted);
    font-size: 0.9rem;
}

.mtechse-slots {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.slot-btn {
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--bk-border);
    border-radius: 4px;
    background: var(--bk-dark);
    color: var(--bk-text);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: monospace;
    transition: all var(--bk-trans);
}

.slot-btn:hover {
    border-color: var(--bk-red);
    color: var(--bk-white);
}

.slot-btn.selected {
    background: var(--bk-red);
    border-color: var(--bk-red);
    color: var(--bk-white);
}

/* ==========================================================================
   Step 3 — Form
   ========================================================================== */

.mtechse-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.mtechse-field--full {
    grid-column: span 2;
}

@media (max-width: 560px) {
    .mtechse-form-grid { grid-template-columns: 1fr; }
    .mtechse-field--full { grid-column: auto; }
}

.mtechse-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bk-muted);
    margin-bottom: 0.35rem;
}

.mtechse-field input,
.mtechse-field textarea,
.mtechse-field select {
    width: 100%;
    padding: 0.65rem 0.9rem;
    background: var(--bk-dark);
    border: 1px solid var(--bk-border);
    border-radius: 4px;
    color: var(--bk-text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--bk-trans);
}

.mtechse-field input:focus,
.mtechse-field textarea:focus {
    outline: none;
    border-color: var(--bk-red);
}

.mtechse-vehicle-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.mtechse-vehicle-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bk-dark);
    border: 1px solid var(--bk-border);
    border-radius: 4px;
    cursor: pointer;
    transition: border-color var(--bk-trans);
    font-size: 0.9rem;
}

.mtechse-vehicle-option:has(input:checked) {
    border-color: var(--bk-red);
    background: rgba(230,51,41,0.06);
}

/* ==========================================================================
   Step 4 — Summary
   ========================================================================== */

.mtechse-summary {
    background: var(--bk-surface);
    border: 1px solid var(--bk-border);
    border-left: 4px solid var(--bk-red);
    border-radius: var(--bk-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--bk-border);
    font-size: 0.95rem;
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-row span {
    color: var(--bk-muted);
}

.summary-row strong {
    color: var(--bk-white);
    text-align: right;
}

.mtechse-disclaimer {
    color: var(--bk-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Success State
   ========================================================================== */

.mtechse-success {
    text-align: center;
    padding: 3rem 1rem;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.mtechse-success h2 {
    margin-bottom: 0.5rem;
}

.success-message {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.success-ref {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--bk-red);
    font-family: monospace;
    margin-bottom: 1rem;
}

/* ==========================================================================
   Error Banner
   ========================================================================== */

.mtechse-error-banner {
    background: rgba(230,51,41,0.1);
    border: 1px solid var(--bk-red);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    color: #ff6b6b;
    margin-top: 1rem;
    font-size: 0.9rem;
}

/* ==========================================================================
   Customer Portal
   ========================================================================== */

.mtechse-portal {
    max-width: 780px;
}

.portal-auth-wrap {
    max-width: 420px;
}

.portal-auth-panel {
    background: var(--bk-surface);
    border: 1px solid var(--bk-border);
    border-radius: var(--bk-radius);
    padding: 2rem;
}

.portal-auth-panel h2 {
    margin-bottom: 1.5rem;
    color: var(--bk-white);
}

.portal-auth-panel .mtechse-field {
    margin-bottom: 1rem;
}

.portal-auth-panel .mtechse-btn {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
}

.portal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.portal-header h2 {
    margin: 0;
    color: var(--bk-white);
}

.portal-section {
    background: var(--bk-surface);
    border: 1px solid var(--bk-border);
    border-radius: var(--bk-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.portal-section h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--bk-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--bk-border);
}

/* Vehicles list */

.portal-vehicles {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.portal-vehicle-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1rem;
    background: var(--bk-dark);
    border: 1px solid var(--bk-border);
    border-radius: 4px;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.portal-vehicle-card.mot-warning { border-color: var(--bk-accent); }
.portal-vehicle-card.mot-urgent  { border-color: var(--bk-red); }

.vehicle-info strong {
    display: block;
    font-size: 1rem;
    color: var(--bk-white);
    margin-bottom: 0.1rem;
}

.mot-info { color: var(--bk-muted); font-size: 0.8rem; }
.mot-info.mot-warning { color: var(--bk-accent); }
.mot-info.mot-urgent  { color: #ff6b6b; }

.vehicle-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Vehicle form */

.portal-vehicle-form {
    background: var(--bk-dark);
    border: 1px solid var(--bk-border);
    border-radius: var(--bk-radius);
    padding: 1.5rem;
    margin-top: 1rem;
}

.portal-vehicle-form h4 {
    color: var(--bk-white);
    margin-bottom: 1rem;
}

.mtechse-form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Bookings list */

.portal-bookings-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.portal-booking-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem;
    background: var(--bk-dark);
    border: 1px solid var(--bk-border);
    border-radius: 4px;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.booking-ref {
    font-family: monospace;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--bk-red);
    flex-shrink: 0;
    min-width: 90px;
}

.booking-details {
    flex: 1;
    color: var(--bk-text);
    line-height: 1.5;
}

.booking-details strong {
    display: block;
    color: var(--bk-white);
    margin-bottom: 0.1rem;
}

.booking-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

/* ==========================================================================
   Status Badges (shared with admin)
   ========================================================================== */

.mtechse-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.mtechse-badge--pending   { background: rgba(245,166,35,0.15);  color: #f5a623; }
.mtechse-badge--confirmed { background: rgba(39,174,96,0.15);   color: #27ae60; }
.mtechse-badge--completed { background: rgba(52,152,219,0.15);  color: #3498db; }
.mtechse-badge--cancelled { background: rgba(230,51,41,0.12);   color: #e74c3c; }
.mtechse-badge--no_show   { background: rgba(127,140,141,0.15); color: #7f8c8d; }