.create-room-container {
    width: min(100% - 32px, 560px);
    margin: 24px auto 40px;
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-surface);
    color: var(--color-text-primary);
    box-shadow: 0 2px 10px rgb(27 60 120 / 4%);
}

.create-room-container .page-header {
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.create-room-container .back-btn {
    margin-top: 2px;
}

.page-heading-copy {
    min-width: 0;
}

.page-heading-copy h1 {
    margin: 0;
    color: var(--color-text-primary);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.02em;
}

.page-heading-copy p {
    margin: 4px 0 0;
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

.create-room-container .input-section {
    display: grid;
    gap: 16px;
}

.create-room-container .form-group {
    min-width: 0;
    margin: 0;
}

.create-room-container .form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 600;
}

.create-room-container .form-group input[type="text"],
.create-room-container .form-group input[type="password"] {
    display: block;
    width: 100%;
    min-height: 44px;
    padding: 9px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text-primary);
    font: inherit;
    font-size: 16px;
}

.create-room-container .form-group input:focus-visible,
.create-room-container .time-select:focus-visible {
    border-color: var(--color-primary);
    outline-color: var(--color-focus);
    box-shadow: 0 0 0 3px rgb(30 107 224 / 12%);
}

.create-room-container .field-help {
    margin: 6px 0 0;
    color: var(--color-text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.create-room-container .char-count {
    min-height: 18px;
    margin-top: 3px;
    color: var(--color-text-secondary);
    font-size: 12px;
    text-align: right;
}

.create-room-container .options-section {
    display: grid;
    gap: 8px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--color-border);
}

.create-room-container .options-title {
    margin: 0 0 2px;
    color: var(--color-text-primary);
    font-size: 16px;
    font-weight: 700;
}

.create-room-container .checkbox-container {
    display: flex;
    min-height: 44px;
    align-items: center;
    gap: 10px;
    margin: 0;
    color: var(--color-text-primary);
    font-size: 14px;
    line-height: 1.45;
    cursor: pointer;
}

.create-room-container .checkbox-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    margin: 0;
    accent-color: var(--color-primary);
}

.create-room-container .inline-option {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.create-room-container .time-select {
    min-width: 116px;
    min-height: 40px;
    padding: 7px 10px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text-primary);
    font: inherit;
    font-size: 14px;
    cursor: pointer;
}

.create-room-container .submit-section {
    margin-top: 20px;
}

.create-room-container .primary-btn {
    display: block;
    width: 100%;
    min-height: 48px;
    padding: 11px 16px;
    border: 0;
    border-radius: 8px;
    background: var(--color-primary);
    color: #ffffff;
    font: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.create-room-container .primary-btn:hover {
    background: var(--color-primary-hover);
}

.create-room-container .primary-btn:disabled {
    cursor: wait;
    opacity: 0.7;
}

@media (max-width: 480px) {
    .create-room-container {
        width: calc(100% - 24px);
        margin-top: 16px;
        padding: 20px 16px;
    }

    .create-room-container .inline-option {
        align-items: flex-start;
    }
}

@media (max-width: 360px) {
    .create-room-container {
        width: calc(100% - 20px);
        padding: 18px 14px;
    }

    .create-room-container .inline-option {
        flex-wrap: wrap;
    }

    .create-room-container .time-select {
        width: 100%;
    }
}