:root {
    color-scheme: dark;
    font-family: Pretendard, "Noto Sans KR", Arial, sans-serif;
    color: #eef3f8;
    background: #111820;
}

* { box-sizing: border-box; }

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
}

.admin-guide {
    display: grid;
    min-height: 100vh;
    padding: 32px;
    place-items: center;
}

.admin-card {
    width: min(100%, 400px);
    padding: 32px 28px;
    border: 1px solid #202f3d;
    border-radius: 8px;
    background: #18232e;
}

.admin-eyebrow {
    margin: 0 0 16px;
    color: #91a5b9;
    font-size: 12px;
    font-weight: 700;
}

h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.04em;
}

.admin-description {
    margin: 12px 0 0;
    color: #b8c5d1;
    font-size: 16px;
    line-height: 1.6;
}

#loginForm {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 24px 0 0;
}

.admin-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.admin-field label {
    color: #b8c5d1;
    font-size: 14px;
    font-weight: 500;
}

.admin-field input {
    width: 100%;
    min-height: 44px;
    padding: 12px 16px;
    border: 1px solid #202f3d;
    border-radius: 8px;
    background: #202f3d;
    color: #eef3f8;
    font-size: 16px;
}

.admin-field input:focus-visible,
#btnLogin:focus-visible {
    outline: 2px solid #7fa5c7;
    outline-offset: 2px;
}

#btnLogin {
    width: 100%;
    min-height: 44px;
    margin-top: 4px;
    padding: 12px 20px;
    border: 0;
    border-radius: 8px;
    background: #7fa5c7;
    color: #111820;
    font-size: 16px;
    font-weight: 700;
    white-space: nowrap;
    word-break: keep-all;
    flex-shrink: 0;
    cursor: pointer;
    transition: background 0.2s;
}

#btnLogin:hover:not(:disabled) {
    background: #91a5b9;
}

#btnLogin:disabled {
    cursor: wait;
    opacity: 0.72;
}

.admin-state {
    margin: 24px 0 0;
    padding: 14px 16px;
    border-left: 3px solid #7fa5c7;
    background: #202f3d;
    color: #dce7f0;
    font-size: 14px;
    font-weight: 700;
}

.admin-state[hidden] {
    display: none;
}

[data-modal-index] {
    background: rgba(17, 24, 32, 0.72) !important;
}

[data-modal-index] > div:first-child {
    width: min(360px, 100%) !important;
    min-width: 0 !important;
    padding: 24px !important;
    border: 1px solid #202f3d !important;
    border-radius: 8px !important;
    background: #18232e !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

[data-modal-index] > div:first-child > div:first-child {
    margin: 0 0 20px !important;
    color: #eef3f8 !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    line-height: 1.65 !important;
    word-break: keep-all !important;
}

[data-modal-index] > div:first-child > div:last-child {
    display: flex !important;
    justify-content: flex-end !important;
    gap: 8px !important;
}

[data-modal-index] .modal-confirm-btn,
[data-modal-index] .modal-cancel-btn {
    min-width: 86px !important;
    min-height: 44px !important;
    padding: 10px 24px !important;
    border: 0 !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    white-space: nowrap !important;
    word-break: keep-all !important;
    cursor: pointer !important;
}

[data-modal-index] .modal-confirm-btn {
    background: #7fa5c7 !important;
    color: #111820 !important;
}

[data-modal-index] .modal-confirm-btn:hover {
    background: #91a5b9 !important;
}

[data-modal-index] .modal-cancel-btn {
    border: 1px solid #202f3d !important;
    background: #202f3d !important;
    color: #dce7f0 !important;
}

[data-modal-index] .modal-cancel-btn:hover {
    background: #344454 !important;
}

@media (max-width: 560px) {
    .admin-guide { padding: 18px; }
    .admin-card { padding: 32px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
    }
}