:root {
    --adm-primary: #6c63ff;
    --adm-primary-dark: #a27b6f;
    --adm-secondary: #fef3c7;
    --adm-bg: #f7faff;
    --adm-card: #ffffff;
    --adm-border: rgba(15, 23, 42, 0.08);
    --adm-text: #323232;
    --adm-muted: rgba(15, 23, 42, 0.62);
    --adm-danger: #dc2626;
}

body.login-page {
    min-height: 100vh;
    margin: 0;
    font-family: "Pretendard", "Noto Sans KR", sans-serif;
    background: radial-gradient(circle at 20% 20%, rgba(252, 211, 77, 0.35), transparent 45%),
        radial-gradient(circle at 80% 0%, rgba(108, 99, 255, 0.25), transparent 40%),
        linear-gradient(135deg, #fefefe 0%, #f3f4ff 60%, #eef5ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    color: var(--adm-text);
    position: relative;
    overflow: hidden;
}

.login-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 15% 30%, rgba(255, 255, 255, 0.9), transparent 45%),
        radial-gradient(circle at 85% 20%, rgba(108, 99, 255, 0.25), transparent 45%);
    z-index: 0;
}

.login-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.login-box {
    background: var(--adm-card);
    border: 1px solid var(--adm-border);
    border-radius: 28px;
    padding: 48px 44px;
    box-shadow: 0 25px 70px rgba(79, 70, 229, 0.12);
}

.login-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    margin-bottom: 28px;
}

.login-brand {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.login-logo {
    width: 120px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 20px rgba(79, 70, 229, 0.25));
}

.login-logo[hidden],
.login-logo-fallback[hidden] {
    display: none;
}

.login-logo-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0;
    color: var(--adm-text);
}

.login-heading h1 {
    margin: 4px 0;
    font-size: 26px;
    font-weight: 700;
    color: var(--adm-text);
}

.login-label {
    margin: 0;
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(15, 23, 42, 0.5);
}

.login-subtitle {
    margin: 0;
    font-size: 14px;
    color: rgba(15, 23, 42, 0.6);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.form-label {
    font-size: 14px;
    color: rgba(15, 23, 42, 0.85);
}

.form-input {
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 14px;
    padding: 14px 16px;
    background: #faf8f8;
    color: var(--adm-text);
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.form-input::placeholder {
    color: rgba(15, 23, 42, 0.38);
}

.form-input:focus {
    outline: none;
    border-color: var(--adm-primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.12);
}

.btn-login {
    border: none;
    border-radius: 18px;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(120deg, var(--adm-primary), #a855f7);
    color: #fff;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 4px;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 15px 30px rgba(108, 99, 255, 0.25);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.admin-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    padding: 24px;
}

.admin-modal.show {
    display: flex;
}

.admin-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.42);
    backdrop-filter: blur(4px);
}

.admin-modal-content {
    position: relative;
    z-index: 1;
    width: min(92vw, 420px);
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 22px;
    box-shadow: 0 30px 90px rgba(15, 23, 42, 0.2);
    overflow: hidden;
}

.admin-modal-header {
    padding: 22px 24px 14px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.admin-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--adm-text);
}

.admin-modal-body {
    padding: 22px 24px;
}

.modal-message {
    margin: 0;
    font-size: 15px;
    line-height: 1.65;
    color: var(--adm-muted);
    text-align: center;
    word-break: keep-all;
}

.admin-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px 22px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    background: #fff;
}

.admin-btn {
    border: 0;
    border-radius: 12px;
    padding: 11px 18px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.admin-btn:active {
    transform: scale(0.98);
}

.admin-btn-primary {
    color: #fff;
    background: linear-gradient(120deg, var(--adm-primary), #9a55e8);
    box-shadow: 0 12px 24px rgba(108, 99, 255, 0.18);
}

.admin-btn-primary:hover {
    box-shadow: 0 16px 28px rgba(108, 99, 255, 0.24);
}

.admin-btn-secondary {
    color: var(--adm-text);
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.admin-toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-16px);
    z-index: 1200;
    padding: 12px 18px;
    border-radius: 14px;
    color: #fff;
    background: var(--adm-text);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.18);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.admin-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.admin-toast.error {
    background: var(--adm-danger);
}

.login-footer {
    margin-top: 32px;
    text-align: center;
    font-size: 12px;
    color: rgba(15, 23, 42, 0.5);
}

@media (max-width: 520px) {
    .login-box {
        padding: 36px 28px;
    }

    .login-heading h1 {
        font-size: 24px;
    }

    .admin-modal {
        padding: 16px;
    }

    .admin-modal-content {
        width: 100%;
    }
}