/*
 * RPM Rush brand: exact colors extracted directly from the logo file
 * (not approximated) — bold red gradient, near-black panels, condensed
 * Montserrat headings, clean Inter body copy.
 */
.rrb-booking-app {
    --rrb-accent: #F0141E;
    --rrb-accent-dark: #B41428;
    --rrb-ink: #141414;
    --rrb-ink-soft: #3a3a40;
    --rrb-muted: #6b6b72;
    --rrb-border: #e2e2e6;
    --rrb-bg-slot: #f4f4f6;
    --rrb-bg-slot-full: #ececee;
    --rrb-white: #ffffff;
    --rrb-shadow-sm: 0 2px 8px rgba(20,20,20,0.06);
    --rrb-shadow-md: 0 8px 30px rgba(20,20,20,0.10);
    --rrb-transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);

    max-width: 680px;
    margin: 0 auto;
    font-family: 'Inter', sans-serif;
    color: var(--rrb-ink);
    background: var(--rrb-white);
    border-radius: 16px;
    box-shadow: var(--rrb-shadow-md);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

.rrb-booking-app .rrb-step {
    padding: 30px 30px 8px 30px;
}

.rrb-booking-app .rrb-heading {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-size: 1.1rem;
    color: var(--rrb-ink);
    margin: 0 0 18px 0;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--rrb-accent);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.rrb-booking-app .rrb-field-row {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rrb-booking-app .rrb-checkbox-row {
    flex-direction: row;
    align-items: center;
}
.rrb-booking-app .rrb-checkbox-row label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    text-transform: none;
    letter-spacing: normal;
}

.rrb-booking-app label {
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--rrb-ink-soft);
}

.rrb-booking-app .rrb-input {
    padding: 13px 15px;
    border: 1.5px solid var(--rrb-border);
    border-radius: 10px;
    font-size: 1.02rem;
    font-family: 'Inter', sans-serif;
    color: var(--rrb-ink);
    background: var(--rrb-white);
    transition: border-color var(--rrb-transition), box-shadow var(--rrb-transition);
}
.rrb-booking-app .rrb-input:focus {
    outline: none;
    border-color: var(--rrb-accent);
    box-shadow: 0 0 0 4px rgba(240,20,30,0.10);
}
textarea.rrb-input {
    resize: vertical;
    font-size: 0.95rem;
}

.rrb-booking-app .rrb-note {
    font-size: 0.85rem;
    color: var(--rrb-muted);
    line-height: 1.55;
}
.rrb-booking-app .rrb-note a {
    color: var(--rrb-accent);
    font-weight: 700;
    text-decoration: none;
}
.rrb-booking-app .rrb-note a:hover { text-decoration: underline; }

.rrb-booking-app .rrb-callout {
    background: #fff2f2;
    border: 1.5px solid var(--rrb-accent);
    color: var(--rrb-ink);
    padding: 15px 17px;
    border-radius: 10px;
    font-size: 0.94rem;
    font-weight: 600;
    margin-bottom: 18px;
    line-height: 1.5;
}
.rrb-booking-app .rrb-callout a {
    color: var(--rrb-accent-dark);
    font-weight: 800;
    text-decoration: underline;
}

.rrb-booking-app .rrb-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 22px;
}

.rrb-booking-app .rrb-slot {
    padding: 13px 8px;
    text-align: center;
    border-radius: 10px;
    background: var(--rrb-bg-slot);
    border: 1.5px solid var(--rrb-border);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--rrb-ink);
    transition: all 0.14s ease;
    box-shadow: 0 1px 2px rgba(20,20,20,0.04);
}
.rrb-booking-app .rrb-slot:hover {
    border-color: var(--rrb-accent);
    transform: translateY(-2px);
    box-shadow: var(--rrb-shadow-sm);
}

.rrb-booking-app .rrb-slot.selected {
    background: var(--rrb-accent);
    color: var(--rrb-white);
    border-color: var(--rrb-accent-dark);
    box-shadow: 0 4px 12px rgba(240,20,30,0.30);
    transform: translateY(-1px);
}

.rrb-booking-app .rrb-slot.full {
    background: var(--rrb-bg-slot-full);
    color: #b3b3b8;
    border-color: var(--rrb-bg-slot-full);
    cursor: not-allowed;
    text-decoration: line-through;
    font-weight: 500;
    box-shadow: none;
}

.rrb-booking-app .rrb-summary {
    margin: 0 30px 22px 30px;
    padding: 20px 22px;
    border-radius: 12px;
    background: var(--rrb-ink);
    color: var(--rrb-white);
    font-size: 1.02rem;
    line-height: 1.65;
    box-shadow: var(--rrb-shadow-sm);
}
.rrb-booking-app .rrb-summary strong {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    color: var(--rrb-white);
    display: block;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.rrb-booking-app .rrb-error {
    margin: 0 30px 18px 30px;
    color: #ffffff;
    background: var(--rrb-accent);
    padding: 13px 17px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.92rem;
    box-shadow: 0 3px 10px rgba(240,20,30,0.25);
}

.rrb-booking-app .rrb-button {
    display: block;
    width: calc(100% - 60px);
    margin: 8px 30px 26px 30px;
    background: var(--rrb-accent);
    color: var(--rrb-white);
    border: none;
    border-radius: 10px;
    padding: 17px 24px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.05rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: background var(--rrb-transition), transform var(--rrb-transition), box-shadow var(--rrb-transition);
    box-shadow: 0 4px 14px rgba(240,20,30,0.30);
}
.rrb-booking-app .rrb-button:hover:not(:disabled) {
    background: var(--rrb-accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(240,20,30,0.35);
}
.rrb-booking-app .rrb-button:active:not(:disabled) {
    transform: translateY(0);
}
.rrb-booking-app .rrb-button:disabled {
    background: #d4d4d8;
    cursor: not-allowed;
    box-shadow: none;
}

.rrb-booking-app .rrb-payment-note {
    text-align: center;
    margin: 0 30px 30px 30px;
}