/* 로그인 페이지 — 밝은 백오피스 톤 */
:root {
    --bg:          #f1f5f9;
    --card:        #ffffff;
    --text:        #0f172a;
    --text-muted:  #64748b;
    --border:      #e2e8f0;
    --input-bg:    #f8fafc;
    --accent:      #2563eb;
    --accent-hover:#1d4ed8;
    --danger:      #dc2626;
    --radius:      12px;
    --shadow:      0 10px 30px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", sans-serif;
    color: var(--text);
    background: var(--bg);
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px 32px 28px;
}

/* 헤더 */
.login-header { text-align: center; margin-bottom: 28px; }
.brand-mark {
    width: 52px; height: 52px;
    margin: 0 auto 14px;
    display: grid; place-items: center;
    background: var(--accent);
    color: #fff;
    font-size: 26px; font-weight: 800;
    border-radius: 14px;
}
.login-header h1 { font-size: 1.25rem; font-weight: 700; }
.login-header h1 span { color: var(--text-muted); font-weight: 500; }
.login-header p { margin-top: 4px; color: var(--text-muted); font-size: .8rem; letter-spacing: .02em; }

/* 알림/에러 */
.notice {
    background: #eff6ff; color: #1e40af;
    border: 1px solid #bfdbfe;
    padding: 10px 12px; border-radius: 8px;
    font-size: .85rem; margin-bottom: 16px;
}
.error-message {
    display: none;
    color: var(--danger); font-size: .85rem;
    margin: 4px 0 0;
}
.error-message.show { display: block; }

/* 폼 */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-size: .82rem; font-weight: 600;
    color: var(--text-muted); margin-bottom: 6px;
}
.form-group input,
.pw-wrap input {
    width: 100%;
    padding: 12px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: .95rem; color: var(--text);
    transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus,
.pw-wrap input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
    background: #fff;
}

.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 44px; }
.toggle-pw {
    position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    background: none; border: none; cursor: pointer;
    font-size: 1rem; opacity: .45; padding: 6px;
}
.toggle-pw.on { opacity: .9; }

.remember {
    display: flex; align-items: center; gap: 8px;
    font-size: .85rem; color: var(--text-muted);
    margin: 4px 0 18px; cursor: pointer;
}
.remember input { width: 16px; height: 16px; accent-color: var(--accent); }

/* 버튼 */
.btn-submit {
    width: 100%;
    padding: 13px;
    background: var(--accent);
    color: #fff; font-size: .95rem; font-weight: 600;
    border: none; border-radius: 8px; cursor: pointer;
    transition: background .15s;
}
.btn-submit:hover { background: var(--accent-hover); }
.btn-submit:disabled { opacity: .7; cursor: default; }
.btn-submit .btn-loading { display: none; }
.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-loading { display: inline; }

.login-foot {
    text-align: center; margin-top: 22px;
    font-size: .75rem; color: var(--text-muted);
}