/* ============================================
   Screen 2 — «Как работает система» Slider
   ============================================ */

/* ---- Section override ---- */
.screen-section[data-screen="screen2"] {
    min-height: auto;
}

.screen-section[data-screen="screen2"] > .container {
    width: 100%;
    min-width: 0;
}

/* ---- Section layout ---- */
.s2 {
    position: relative;
    max-width: var(--container-width, 1200px);
    margin: 0 auto;
    padding: 16px 24px 60px;
}

/* ---- Header ---- */
.s2-header {
    text-align: center;
    margin-bottom: 32px;
}

.s2-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.s2-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 12px;
    line-height: 1.5;
}

/* ---- Slider container ---- */
.screen-section[data-screen="screen2"] {
    overflow: visible;
}

.s2-slider-wrapper {
    position: relative;
    overflow: visible;
    margin: 0 -24px;
    padding: 0 24px;
    min-width: 0;
}

.s2-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 30px 0;
    min-width: 0;
    width: 100%;
}

.s2-slider::-webkit-scrollbar {
    display: none;
}

/* ---- Card ---- */
.s2-card {
    flex: 0 0 calc((100% - 40px) / 3);
    scroll-snap-align: start;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 28px 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    min-height: 340px;
}

.s2-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 40px rgba(87, 243, 87, 0.06), 0 16px 48px rgba(0, 0, 0, 0.3);
}

.s2-card.s2-card--active {
    border-color: rgba(87, 243, 87, 0.5);
    box-shadow: 0 0 10px rgba(87, 243, 87, 0.3), 0 0 20px rgba(87, 243, 87, 0.15);
}

.s2-card__title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    text-align: center;
}

/* ---- Dialog bubbles ---- */
.s2-card__dialog {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.s2-msg {
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.35;
    max-width: 90%;
}

.s2-msg--cashier {
    background: rgba(14, 123, 93, 0.35);
    border: 1px solid rgba(52, 214, 154, 0.25);
    color: #e0fff4;
    align-self: flex-end;
}

.s2-msg--customer {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    align-self: flex-start;
}

.s2-msg__role {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 2px;
    opacity: 0.5;
}

/* ---- Agent notifications ---- */
.s2-card__agent-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    padding: 8px 12px;
    background: rgba(87, 243, 87, 0.06);
    border: 1px solid rgba(87, 243, 87, 0.15);
    border-radius: 10px;
}

.s2-agent-check {
    color: var(--accent-light);
    font-weight: 900;
    flex-shrink: 0;
}

.s2-card__dialog + .s2-card__agent-note,
.s2-receipt + .s2-card__agent-note {
    margin-top: auto;
}

.s2-card__agent-stack {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px;
    background: rgba(10, 20, 10, 0.5);
    border: 1px solid rgba(87, 243, 87, 0.18);
    border-radius: 12px;
}

.s2-agent-line {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.s2-card__label {
    display: inline-block;
    padding: 4px 14px;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 6px;
    align-self: flex-start;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.s2-card__label--green {
    background: rgba(87, 243, 87, 0.2);
    color: var(--accent-light);
    border: 1px solid rgba(87, 243, 87, 0.3);
}

/* ---- Thermal receipt ---- */
.s2-receipt {
    background: #f5f0e8;
    border-radius: 4px;
    padding: 14px 16px;
    font-family: 'Courier New', Courier, monospace;
    color: #1a1a1a;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.s2-receipt::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(135deg, #f5f0e8 33.33%, transparent 33.33%) -6px 0,
                linear-gradient(225deg, #f5f0e8 33.33%, transparent 33.33%) -6px 0;
    background-size: 12px 6px;
}

.s2-receipt__header {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #555;
    margin-bottom: 6px;
}

.s2-receipt__number {
    text-align: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 4px;
}

.s2-receipt__divider {
    border-bottom: 1px dashed #bbb;
    margin: 6px 0;
}

.s2-receipt__row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.8;
    color: #333;
}

.s2-receipt__row--highlight {
    background: #1a8c1a;
    color: #fff;
    font-weight: 700;
    margin: 2px -8px;
    padding: 2px 8px;
    border-radius: 3px;
}

.s2-receipt__total {
    font-weight: 900;
    font-size: 1rem;
    color: #111;
}

/* ---- Bonus card ---- */
.s2-card__bonus {
    text-align: center;
    padding: 16px 0;
}

.s2-bonus-value {
    font-size: 2.4rem;
    font-weight: 900;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.s2-bonus-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.s2-card__total {
    text-align: center;
    padding: 16px;
    background: var(--accent-subtle);
    border: 1px solid var(--accent-border);
    border-radius: 12px;
}

.s2-total-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-light);
    line-height: 1.1;
}

.s2-total-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.s2-card__total--secondary {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

.s2-card__total--secondary .s2-total-value {
    color: var(--text-primary);
}

/* ---- Sequential message reveal ---- */
.s2-card .s2-msg,
.s2-card .s2-card__agent-note,
.s2-card .s2-receipt,
.s2-card .s2-card__bonus,
.s2-card .s2-card__total {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.s2-card .s2-msg.s2-reveal,
.s2-card .s2-card__agent-note.s2-reveal,
.s2-card .s2-receipt.s2-reveal,
.s2-card .s2-card__bonus.s2-reveal,
.s2-card .s2-card__total.s2-reveal {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Dot indicators ---- */
.s2-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
}

.s2-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.s2-dot--active {
    background: var(--accent-light);
    box-shadow: 0 0 8px var(--accent-glow);
    width: 24px;
    border-radius: 4px;
}


/* ============================================
   Responsive: Tablet (≤1024px)
   ============================================ */
@media (max-width: 1024px) {
    .s2-card {
        flex: 0 0 calc((100% - 20px) / 2);
        min-height: 300px;
    }
}

/* ============================================
   Responsive: Mobile (≤768px) — 2 cards still
   ============================================ */
@media (max-width: 768px) {
    .s2 {
        padding: 40px 20px;
    }

    .s2-header {
        margin-bottom: 32px;
    }

    .s2-card {
        min-height: auto;
        padding: 24px 20px;
    }

    .s2-slider-wrapper {
        margin: 0 -20px;
        padding: 0 20px;
    }
}

/* ============================================
   Responsive: Single card (≤600px)
   ============================================ */
@media (max-width: 600px) {
    .s2-card {
        flex: 0 0 100%;
    }
}

/* ============================================
   Responsive: Large phones (≤480px)
   ============================================ */
@media (max-width: 480px) {
    .s2 {
        padding: 32px 16px;
    }

    .s2-header {
        margin-bottom: 24px;
    }

    .s2-card {
        padding: 20px 16px;
    }

    .s2-slider-wrapper {
        margin: 0 -16px;
        padding: 0 16px;
    }

    .s2-msg {
        font-size: 0.8rem;
    }

    .s2-bonus-value {
        font-size: 2rem;
    }

    .s2-total-value {
        font-size: 1.5rem;
    }
}

/* ============================================
   Responsive: Small phones (≤400px)
   ============================================ */
@media (max-width: 400px) {
    .s2-card {
        padding: 16px 14px;
        border-radius: 16px;
        gap: 12px;
    }

    .s2-card__title {
        font-size: 1.05rem;
    }

    .s2-msg {
        padding: 8px 12px;
        font-size: 0.78rem;
    }

}

/* ============================================
   Short viewports
   ============================================ */
@media (max-height: 600px) and (max-width: 768px) {
    .s2 {
        padding: 20px 16px;
    }

    .s2-header {
        margin-bottom: 16px;
    }

    .s2-subtitle {
        display: none;
    }
}