body {
    background: var(--black);
    color: var(--text);
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", 'Helvetica Neue', Arial;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-header {
    padding: 60px 0 40px;
    text-align: center;
    background: var(--black);
}

.page-header h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin: 0 0 12px;
    font-weight: 800;
}

.page-header p {
    color: var(--muted);
    font-size: 1.1rem;
    margin: 0;
}

.tournament-section {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.tournament-card {
    background: var(--card-bg);
    border: 1px solid var(--grey-600);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: 0 4px 12px rgba(0,0,0,.3);
}

.tournament-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.tournament-info h2 {
    font-size: 1.8rem;
    margin: 0 0 8px;
    color: var(--text);
}

.tournament-meta {
    display: flex;
    gap: 20px;
    color: var(--muted);
    font-size: .9rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.spots-info {
    background: rgba(46, 143, 220, .1);
    border: 1px solid rgba(46, 143, 220, .3);
    padding: 12px 20px;
    border-radius: 8px;
    text-align: center;
    min-width: 140px;
}

.spots-count {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blue-500);
}

.spots-label {
    font-size: .75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.reg-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--grey-600);
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

/* Quick Sign-in Section */
.quick-signin-section {
    grid-column: 1 / -1;
    background: rgba(37, 99, 235, 0.05);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 8px;
}

/* Registration Choice */
.registration-choice {
    padding: 40px 20px;
}

.choice-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 600px;
    margin: 0 auto;
}

.choice-btn {
    background: linear-gradient(180deg, var(--grey-800), var(--grey-700));
    border: 2px solid var(--grey-600);
    border-radius: 12px;
    padding: 32px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.choice-btn:hover {
    border-color: var(--blue-500);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.choice-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.choice-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.choice-desc {
    font-size: 0.9rem;
    color: var(--muted);
}

@media (max-width: 600px) {
    .choice-buttons {
        grid-template-columns: 1fr;
    }
    
    .tournament-header {
        flex-direction: column;
    }
    
    .spots-info {
        width: 100%;
    }
    
    .tournament-card {
        padding: 20px;
    }
    
    .page-header {
        padding: 40px 0 30px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}

/* Reservation Timer */
.reservation-timer {
    grid-column: 1 / -1;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    padding: 12px 16px;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.reservation-timer strong {
    color: var(--blue-400);
    font-size: 1.1rem;
    font-weight: 700;
}

.signin-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Button group for email/OTP input with buttons */
.input-button-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: stretch;
}

.input-button-group input {
    flex: 1;
    min-width: 200px;
}

.input-button-group button {
    white-space: nowrap;
    flex-shrink: 0;
}

@media (max-width: 600px) {
    .input-button-group {
        flex-direction: column;
    }
    
    .input-button-group input,
    .input-button-group button {
        width: 100%;
    }
}

.link-btn {
    background: none;
    border: none;
    color: var(--blue-400);
    cursor: pointer;
    font-size: inherit;
    text-decoration: underline;
    padding: 0;
    font-weight: 600;
}

.link-btn:hover {
    color: var(--blue-300);
}

.btn-secondary {
    background: var(--blue-500);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-secondary:hover {
    background: var(--blue-600);
    transform: translateY(-1px);
}

.quick-signin-form {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.signin-step {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

label {
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--muted);
}

input, select, textarea {
    padding: 10px 14px;
    background: var(--grey-900);
    border: 1px solid var(--grey-600);
    border-radius: 8px;
    color: var(--text);
    font-size: .95rem;
    transition: border-color .2s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--blue-500);
}

textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.submit-btn {
    grid-column: 1 / -1;
    padding: 14px 32px;
    background: linear-gradient(90deg, var(--blue-700), var(--blue-500));
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all .2s ease;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 143, 220, .4);
}

.submit-btn:disabled {
    background: var(--grey-600);
    cursor: not-allowed;
    opacity: .6;
}

.btn-primary {
    background: var(--blue-500);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    width: 100%;
    display: block;
}

.btn-primary:hover {
    background: var(--blue-600);
    transform: translateY(-1px);
}

.success-message, .error-message {
    padding: 16px;
    border-radius: 8px;
    margin-top: 16px;
    font-weight: 500;
}

.success-message {
    background: rgba(46, 204, 113, .2);
    border: 1px solid rgba(46, 204, 113, .3);
    color: #51cf66;
}

.error-message {
    background: rgba(220, 53, 69, .2);
    border: 1px solid rgba(220, 53, 69, .3);
    color: #ff6b6b;
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: .3;
}

.deadline-warning {
    background: rgba(255, 193, 7, .1);
    border: 1px solid rgba(255, 193, 7, .3);
    color: #ffc107;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: .9rem;
    margin-bottom: 16px;
}

.closed-notice {
    background: rgba(220, 53, 69, .2);
    border: 1px solid rgba(220, 53, 69, .3);
    color: #ff6b6b;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.squad-selection {
    border-top: 1px solid var(--grey-600);
    padding-top: 24px;
    margin-top: 24px;
}

.squad-requirement {
    background: rgba(46, 143, 220, .1);
    border: 1px solid rgba(46, 143, 220, .3);
    color: var(--blue-500);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: .9rem;
    margin-bottom: 12px;
}

.squad-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.squad-option {
    background: var(--grey-800);
    border: 2px solid var(--grey-600);
    border-radius: 8px;
    padding: 14px;
    transition: all .2s;
}

.squad-option:not(.disabled):hover {
    border-color: var(--blue-500);
    background: rgba(46, 143, 220, .05);
}

.squad-option.disabled {
    opacity: .4;
    cursor: not-allowed;
}

.squad-option label {
    display: flex;
    gap: 12px;
    cursor: pointer;
    margin: 0;
    align-items: flex-start;
}

.squad-option.disabled label {
    cursor: not-allowed;
}

.squad-option input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.squad-option.disabled input[type="checkbox"] {
    cursor: not-allowed;
}

.squad-info {
    flex: 1;
}

.squad-name {
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.qualifying-badge {
    background: rgba(46, 204, 113, .2);
    border: 1px solid rgba(46, 204, 113, .4);
    color: #51cf66;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.squad-details {
    font-size: .85rem;
    color: var(--muted);
}

@media (max-width: 768px) {
    .reg-form {
        grid-template-columns: 1fr;
    }

    .tournament-header {
        flex-direction: column;
    }

    .spots-info {
        width: 100%;
    }
}