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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    padding: 0;
    margin: 0;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding-bottom: 80px;
}

/* Tabs */
.tabs {
    display: flex;
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
    border-bottom: 1px solid var(--tg-theme-hint-color, #999999);
    position: sticky;
    top: 0;
    z-index: 100;
}

.tab {
    flex: 1;
    padding: 12px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--tg-theme-hint-color, #999999);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.tab.active {
    color: var(--tg-theme-button-color, #3390ec);
    border-bottom-color: var(--tg-theme-button-color, #3390ec);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Leaderboard */
.leaderboard-header {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.leaderboard-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.btn-share {
    padding: 8px 16px;
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}

.leaderboard-list {
    padding: 0 16px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--tg-theme-hint-color, #e0e0e0);
}

.leaderboard-item:last-child {
    border-bottom: none;
}

.rank {
    width: 40px;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
    color: var(--tg-theme-hint-color, #999999);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin: 0 12px;
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--tg-theme-text-color, #000000);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.username {
    font-weight: 500;
    font-size: 15px;
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.amount {
    font-weight: 600;
    font-size: 16px;
    color: var(--tg-theme-button-color, #3390ec);
    margin-left: auto;
    padding-left: 12px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--tg-theme-hint-color, #999999);
}

/* My position */
.my-position {
    margin: 16px;
    padding: 12px 16px;
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
    border-radius: 8px;
    text-align: center;
}

.my-position-content {
    font-weight: 500;
    font-size: 15px;
}

/* Bottom button */
.bottom-button {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: var(--tg-theme-bg-color, #ffffff);
    border-top: 1px solid var(--tg-theme-hint-color, #e0e0e0);
    z-index: 1000;
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--tg-theme-secondary-bg-color, rgba(0, 0, 0, 0.5));
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--tg-theme-section-separator-color, var(--tg-theme-hint-color, #e0e0e0));
    background: var(--tg-theme-bg-color, #ffffff);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--tg-theme-text-color, #000000);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--tg-theme-hint-color, #999999);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--tg-theme-text-color, #000000);
}

.modal-body {
    padding: 16px;
    background: var(--tg-theme-bg-color, #ffffff);
}

.presets {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.preset-btn {
    padding: 16px;
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
    color: var(--tg-theme-text-color, #000000);
    border: 2px solid var(--tg-theme-section-separator-color, transparent);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.preset-btn:hover {
    border-color: var(--tg-theme-button-color, #3390ec);
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
}

.preset-btn.selected {
    border-color: var(--tg-theme-button-color, #3390ec);
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.preset-label {
    font-weight: 500;
    font-size: 15px;
    color: inherit;
}

.preset-amount {
    font-weight: 600;
    color: inherit;
}

.custom-amount {
    margin-bottom: 20px;
}

.custom-amount label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--tg-theme-hint-color, #999999);
}

.custom-amount input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--tg-theme-section-separator-color, var(--tg-theme-hint-color, #e0e0e0));
    border-radius: 8px;
    font-size: 15px;
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    color: var(--tg-theme-text-color, #000000);
}

.custom-amount input:focus {
    outline: none;
    border-color: var(--tg-theme-button-color, #3390ec);
    background: var(--tg-theme-bg-color, #ffffff);
}

/* Payment method selection */
.payment-method {
    margin-bottom: 20px;
}

.payment-method label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--tg-theme-hint-color, #999999);
    font-weight: 500;
}

.payment-methods {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.payment-method-btn {
    flex: 1;
    padding: 12px;
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
    color: var(--tg-theme-text-color, #000000);
    border: 2px solid var(--tg-theme-section-separator-color, transparent);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.payment-method-btn:hover {
    border-color: var(--tg-theme-button-color, #3390ec);
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
}

.payment-method-btn.active {
    border-color: var(--tg-theme-button-color, #3390ec);
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.payment-method-btn span:first-child {
    font-size: 18px;
}

.crypto-currency-select {
    margin-top: 12px;
}

.crypto-currency-select label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--tg-theme-hint-color, #999999);
}

.crypto-currency-select select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--tg-theme-section-separator-color, var(--tg-theme-hint-color, #e0e0e0));
    border-radius: 8px;
    font-size: 15px;
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    color: var(--tg-theme-text-color, #000000);
}

.crypto-currency-select select:focus {
    outline: none;
    border-color: var(--tg-theme-button-color, #3390ec);
    background: var(--tg-theme-bg-color, #ffffff);
}

#create-invoice-btn {
    margin-top: 12px;
}


/* Profile section */
.profile-section {
    padding: 20px;
}

.profile-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--tg-theme-text-color, #000000);
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    color: var(--tg-theme-hint-color, #999999);
    font-weight: 500;
}

.form-group input {
    padding: 12px;
    border: 1px solid var(--tg-theme-section-separator-color, var(--tg-theme-hint-color, #e0e0e0));
    border-radius: 8px;
    font-size: 15px;
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    color: var(--tg-theme-text-color, #000000);
}

.form-group input:focus {
    outline: none;
    border-color: var(--tg-theme-button-color, #3390ec);
    background: var(--tg-theme-bg-color, #ffffff);
}

.char-counter {
    font-size: 12px;
    color: var(--tg-theme-hint-color, #999999);
    text-align: right;
}

.profile-info {
    margin-top: 12px;
    padding: 12px;
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: 8px;
}

.profile-info p {
    font-size: 13px;
    color: var(--tg-theme-hint-color, #666666);
    margin: 0;
}

/* Custom text in leaderboard - marquee effect */
.user-custom-text {
    font-size: 12px;
    color: var(--tg-theme-hint-color, #666666);
    margin-top: 2px;
    overflow: hidden;
    white-space: nowrap;
    max-width: 150px;
    position: relative;
}

.user-custom-text-inner {
    display: inline-block;
    padding-left: 0;
    animation: none;
}

.user-custom-text.marquee .user-custom-text-inner {
    animation: marquee 6s linear infinite;
    animation-delay: 1s;
}

/* Pause animation on hover to allow clicking links */
.user-custom-text.marquee:hover .user-custom-text-inner {
    animation-play-state: paused;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
}

/* Clickable links in custom text */
.user-custom-text a {
    color: var(--tg-theme-link-color, #3390ec);
    text-decoration: none;
}

.user-custom-text a:hover {
    text-decoration: underline;
}