:root {
    --bg: #0e1116;
    --card: #12161b;
    --border: #1f2630;
    --text: #e6edf3;
    --subtext: #9aa4b2;
    --accent: #4c8bf5;
    --accent-hover: #3e7bf0;
    --hover-bg: #141a21;
    --transition: 0.25s;
    --warning-bg: #330000;
    --warning-text: #ffffff;
    --warning-accent: #ff4444;
    --discount: #28a745;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

html {
    scroll-behavior: smooth;
}

.tariff-section {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.description {
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    text-align: center;
    margin-bottom: 2rem;
    color: var(--subtext);
    line-height: 1.6;
}

.notice {
    background: var(--hover-bg);
    border-left: 4px solid var(--accent);
    color: var(--subtext);
    padding: 1rem 1.5rem;
    margin: 1rem auto 2rem;
    max-width: 800px;
    font-size: clamp(0.95rem, 2vw, 1rem);
    line-height: 1.6;
}

.plan-overview {
    max-width: 900px;
    margin: 0 auto 2rem;
    padding: 1rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--card);
    color: var(--subtext);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: clamp(0.95rem, 2vw, 1.05rem);
}

.plan-overview strong {
    color: var(--text);
}

.plan-overview-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
}

.plan-overview-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.plan-overview.expired {
    border-color: var(--warning-accent);
    background: rgba(255, 68, 68, 0.12);
    color: #ff9d9d;
}

.plan-overview.expired strong {
    color: #ffd1d1;
}

.plan-overview.expired .plan-overview-link {
    color: #ffd1d1;
}

.plan-overview.expired .plan-overview-link:hover {
    color: #ffe1e1;
}

.purchase-mode {
    position: relative;
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.mode-button {
    background: transparent;
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--subtext);
    transition: color var(--transition);
}

.mode-button.active {
    color: var(--text);
}

.mode-indicator {
    position: absolute;
    bottom: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    transform-origin: center center;
    transform: scaleX(0);
    transition: transform var(--transition);
}

.mode-indicator.expanded {
    transform: scaleX(1);
}

.tariffs-container {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.tariff-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: clamp(1.25rem, 2.2vw, 2rem);
    text-align: left;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
}

@media (hover: hover) {
    .tariff-card:hover {
        transform: translateY(-6px) scale(1.03);
        box-shadow: 0 10px 24px rgba(0, 0, 0, 0.7);
    }
}

.tariff-card.has-discount {
    border-color: var(--discount);
}

.tariff-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 1rem;
    color: var(--text);
    text-transform: uppercase;
    line-height: 1.2;
}

.tariff-price {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 0.25rem;
}

.current-price {
    font-size: clamp(1.4rem, 2.6vw, 2rem);
    font-weight: bold;
    color: var(--discount);
}

.tariff-card:not(.has-discount) .current-price {
    color: var(--text);
}

.price-details {
    display: flex;
    gap: 1rem;
    font-size: clamp(0.85rem, 1.7vw, 0.95rem);
    color: var(--subtext);
    flex-wrap: wrap;
}

.original-price {
    text-decoration: line-through;
}

.savings {
    color: var(--discount);
    font-weight: bold;
}

.discount-icon {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--discount);
    font-size: 1.5rem;
}

.discount-badge {
    background: var(--discount);
    color: var(--text);
    padding: 0.2rem 0.5rem;
    border-radius: 0.3rem;
    font-size: 0.8em;
    margin-left: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.tariff-short-description {
    font-size: clamp(0.95rem, 2vw, 1rem);
    color: var(--subtext);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.tariff-features {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-top: 1.25rem;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.6rem;
    font-size: clamp(0.92rem, 1.9vw, 1rem);
    line-height: 1.5;
}

.icon {
    width: 20px;
    text-align: center;
    margin-right: 10px;
    font-size: 1.1rem;
}

.check {
    color: var(--discount);
}

.cross {
    color: #f44336;
}

.feature-item.models {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 0.25rem;
}

.models-text {
    display: block;
    margin-left: 0;
    font-size: clamp(0.9rem, 1.8vw, 0.95rem);
    color: var(--subtext);
}

.choose-plan {
    background: var(--accent);
    color: var(--text);
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    margin-bottom: 1.25rem;
    width: 100%;
}

.choose-plan:hover:not([disabled]):not(.updating) {
    background: var(--accent-hover);
}

.choose-plan[disabled] {
    background: var(--hover-bg);
    color: var(--subtext);
    cursor: default;
    opacity: 0.7;
}

.choose-plan.updating {
    background: var(--accent-hover);
    color: var(--text);
    cursor: default;
}

.token-section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.token-title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin-bottom: 1rem;
    color: var(--text);
}

.token-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.token-control.disabled input[type="range"],
.token-control.disabled input[type="number"] {
    filter: grayscale(100%);
    pointer-events: none;
}

.token-control input[type="range"] {
    flex: 1 1 60%;
    cursor: pointer;
    max-width: 520px;
    min-width: 220px;
}

.token-control input[type="number"] {
    width: 120px;
    padding: 0.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
}

.token-info {
    display: flex;
    justify-content: space-around;
    color: var(--subtext);
    font-size: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.confirm-btn {
    margin-top: 1.5rem;
    background: var(--accent-hover);
    color: var(--text);
    border: none;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}

.confirm-btn:hover {
    transform: translateY(-2px);
}

#confirmTokens:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.no-topup-option {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1rem;
    gap: 0.5rem;
    color: var(--text);
}

.no-topup-option input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 400px;
    text-align: center;
    color: var(--text);
}

#downgradeModal .modal-content {
    background: var(--warning-bg);
    color: var(--warning-text);
    border: 2px solid var(--warning-accent);
    box-shadow: 0 4px 8px rgba(0,0,0,0.5);
}

#downgradeModal .fa-exclamation-triangle {
    color: var(--warning-accent);
    font-size: 2.5rem;
    margin-right: 1rem;
    vertical-align: middle;
}

#downgradeModal p:first-child {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

#downgradeModal p {
    margin-bottom: 1rem;
}

.modal-button {
    background: var(--accent);
    color: var(--text);
    border: none;
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background var(--transition);
}

.modal-button:hover {
    background: var(--accent-hover);
}

#tokenNumber {
    font-size: 1.1rem;
    padding: 0.5rem 0.75rem;
    width: 120px;
    text-align: center;
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    -webkit-tap-highlight-color: transparent;
}

#tokenNumber::-webkit-outer-spin-button,
#tokenNumber::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#tokenNumber {
    -moz-appearance: textfield;
}

#tokenNumber:focus {
    outline: none;
    box-shadow: none;
}

#tokenNumber::selection {
    background: transparent;
}

#tokenNumber::-moz-selection {
    background: transparent;
}

.tariff-card.bronze {
    border: 2px solid rgba(205, 127, 50, 0.5);
}

.tariff-card.silver {
    border: 2px solid #c6c6c6;
}

.tariff-card.gold {
    border: 2px solid #ffd700;
}

.show-all-btn {
    position: absolute;
    top: 0.3rem;
    right: 0.3rem;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.1rem;
    cursor: pointer;
}

@media (max-width: 1080px) and (min-width: 701px) {
    .tariffs-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem;
        padding: 1.5rem;
    }
    #pro {
        grid-column: 1 / -1;
        justify-self: stretch;
    }
    .tariffs-container[data-current-plan="pro"] {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .tariffs-container {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    .choose-plan {
        font-size: 0.95rem;
    }
    .price-details {
        gap: 0.6rem;
    }
    .token-section {
        padding: 1.25rem;
    }
}

.tariffs-container[data-current-plan="plus"] .tariff-card#standart {
    display: none;
}

.tariffs-container[data-current-plan="pro"] .tariff-card#standart,
.tariffs-container[data-current-plan="pro"] .tariff-card#plus {
    display: none;
}

.tariffs-container.show-all .tariff-card {
    display: block !important;
}