:root {
    --primary: #4361ee;
    --primary-light: #7209b7;
    --primary-dark: #3a0ca3;
    --secondary: #4cc9f0;
    --success: #36d399;
    --success-soft: rgba(54, 211, 153, 0.12);
    --danger: #f72585;
    --danger-soft: rgba(247, 37, 133, 0.1);
    --warning: #ff8c42;
    --warning-soft: rgba(255, 140, 66, 0.12);
    --gray: #6c757d;
    --dark: #2b2d42;
    --light: #f8f9fa;
    --surface: rgba(255, 255, 255, 0.92);
    --surface-strong: #ffffff;
    --border: rgba(67, 97, 238, 0.12);
    --shadow-base: 0 12px 30px rgba(43, 45, 66, 0.08);
    --shadow-hover: 0 18px 40px rgba(43, 45, 66, 0.12);
    --radius: 18px;
    --radius-sm: 12px;
    --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--dark);
    background:
        radial-gradient(circle at top right, rgba(114, 9, 183, 0.08), transparent 28%),
        radial-gradient(circle at bottom left, rgba(76, 201, 240, 0.12), transparent 24%),
        linear-gradient(135deg, #f5f7fa 0%, #e7ebf2 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

.top-header {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 18px rgba(0, 0, 0, 0.04);
    padding: 16px 0;
}

.header-center {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 22px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-container {
    display: inline-flex;
    align-items: center;
}

.img-logo {
    height: 46px;
    transition: var(--transition);
}

.img-logo:hover {
    transform: scale(1.04);
}

.main-content {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 28px 20px 48px;
}

.player-count {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.05) 0%, rgba(114, 9, 183, 0.05) 100%);
    border-radius: var(--radius);
    font-size: 16px;
    border-left: 5px solid var(--primary);
    box-shadow: var(--shadow-base);
    margin-bottom: 26px;
}

.player-count a {
    color: inherit;
}

.player-count b {
    color: var(--primary);
    font-size: 22px;
}

.panel-stack {
    display: grid;
    gap: 24px;
}

.panel {
    position: relative;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radius);
    box-shadow: var(--shadow-base);
    backdrop-filter: blur(12px);
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.hero-panel,
.form-panel {
    padding: 34px 32px;
}

.hero-panel {
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 255, 0.98));
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--primary-dark);
    background: rgba(67, 97, 238, 0.1);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.page-title {
    margin: 18px 0 12px;
    font-size: clamp(28px, 3vw, 38px);
    line-height: 1.16;
    color: var(--dark);
}

.page-subtitle {
    margin: 0;
    max-width: 640px;
    color: var(--gray);
    font-size: 15px;
    line-height: 1.75;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 26px;
}

.choice-card {
    display: block;
    padding: 24px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface-strong);
    box-shadow: 0 8px 22px rgba(67, 97, 238, 0.06);
    transition: var(--transition);
}

.choice-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(67, 97, 238, 0.25);
}

.choice-title {
    margin: 0 0 8px;
    font-size: 20px;
    color: var(--primary-dark);
}

.choice-text {
    margin: 0;
    color: var(--gray);
    line-height: 1.7;
    font-size: 14px;
}

.form-panel {
    display: grid;
    gap: 22px;
}

.link-panel {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.05) 0%, rgba(114, 9, 183, 0.05) 100%);
    border-radius: var(--radius);
    font-size: 16px;
    border-right: 5px solid var(--primary);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-base);
}

.link-panel::before {
    display: none;
}

.section-title {
    margin: 0;
    font-size: 28px;
    color: var(--dark);
    text-align: center;
}

.section-subtitle {
    margin: -8px auto 0;
    max-width: 560px;
    color: var(--gray);
    font-size: 14px;
    line-height: 1.75;
    text-align: center;
}

.form-grid {
    display: grid;
    gap: 18px;
}

.field {
    display: grid;
    gap: 8px;
}

.field-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.field-control,
.captcha-input-wrap input,
.field input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    border: 1px solid rgba(67, 97, 238, 0.16);
    border-radius: 14px;
    background: rgba(250, 251, 255, 0.98);
    color: var(--dark);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}

.field-control:focus,
.captcha-input-wrap input:focus,
.field input:focus {
    border-color: rgba(67, 97, 238, 0.55);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
    background: #fff;
}

.field-note {
    color: var(--gray);
    font-size: 12px;
    line-height: 1.6;
}

.i-tt {
    display: none;
    width: 100%;
    margin-top: 2px;
    color: var(--danger);
    font-size: 12px;
    line-height: 1.6;
}

.i-tt.is-visible {
    display: block;
}

.i-tt.success {
    color: #1f7a56;
}

.i-tt .hint-line {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.i-tt .hint-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    color: currentColor;
    border: 1px solid currentColor;
}

.captcha-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px;
    gap: 12px;
    align-items: stretch;
}

.captcha-frame {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(67, 97, 238, 0.18);
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.06), rgba(114, 9, 183, 0.08));
}

.captcha-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
}

.message {
    display: none;
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.65;
}

.message.is-visible {
    display: block;
}

.message.info {
    color: var(--primary-dark);
    background: rgba(67, 97, 238, 0.09);
}

.message.success {
    color: #1f7a56;
    background: var(--success-soft);
}

.message.error {
    color: #b61f60;
    background: var(--danger-soft);
}

.message.warning {
    color: #9a5617;
    background: var(--warning-soft);
}

.primary-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    width: 100%;
    padding: 0 20px;
    border: none;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition);
}

.primary-button {
    color: #fff;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    box-shadow: 0 10px 24px rgba(67, 97, 238, 0.22);
}

.primary-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(67, 97, 238, 0.28);
}

.secondary-button {
    color: var(--primary-dark);
    background: rgba(67, 97, 238, 0.08);
}

.primary-button:disabled,
.secondary-button:disabled {
    opacity: 0.58;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.action-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.action-row > * {
    flex: 1 1 180px;
}

.page-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.page-links--grid .page-link {
    min-width: 140px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(67, 97, 238, 0.08);
    transition: var(--transition);
}

.page-link:hover {
    background: rgba(67, 97, 238, 0.14);
    transform: translateY(-1px);
}

.account-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(67, 97, 238, 0.08);
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 600;
}

.footer-note {
    text-align: center;
    color: var(--gray);
    font-size: 13px;
    line-height: 1.7;
}

@media (max-width: 760px) {
    .main-content {
        padding: 20px 16px 38px;
    }

    .hero-panel,
    .form-panel {
        padding: 26px 20px;
    }

    .choice-grid,
    .captcha-row {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 30px;
    }

    .section-title {
        font-size: 25px;
    }
}