* { box-sizing: border-box; font-family: Arial, sans-serif; }
body { margin: 0; background: #f4f5f7; color: #222; }
.topbar { background: #1f4e79; color: #fff; padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; }
.topbar .brand { font-weight: bold; font-size: 15px; }
.usermenu a { color: #fff; margin-left: 12px; }
.mainnav { background: #2e6da4; padding: 8px 20px; }
.mainnav a { color: #fff; text-decoration: none; margin-right: 18px; font-size: 14px; }
.mainnav a:hover { text-decoration: underline; }

.nav-dropdown { position: relative; display: inline-block; margin-right: 18px; }
.nav-dropdown > button {
    background: none; border: none; color: #fff; font-size: 14px; font-family: inherit;
    cursor: pointer; padding: 0; margin: 0;
}
.nav-dropdown > button:hover { text-decoration: underline; }
.nav-dropdown > button::after { content: ' ▾'; font-size: 11px; }
.nav-dropdown .nav-dropdown-panel {
    display: none; position: absolute; top: 100%; left: 0; z-index: 50;
    background: #fff; border: 1px solid #d7e6f2; border-radius: 6px; box-shadow: 0 8px 20px rgba(0,0,0,.18);
    padding: 6px 0; margin-top: 6px; min-width: 220px;
}
.nav-dropdown.mo .nav-dropdown-panel { display: block; }
.nav-dropdown .nav-dropdown-panel a {
    display: block; color: #1a1a1a; margin: 0; padding: 7px 16px; font-size: 14px; white-space: nowrap;
}
.nav-dropdown .nav-dropdown-panel a:hover { background: #eef6ff; text-decoration: none; }
.content { padding: 20px; max-width: 1100px; margin: 0 auto; }
.footer { text-align: center; padding: 10px; color: #888; font-size: 12px; }

table.cham-cong { border-collapse: collapse; width: 100%; margin-top: 12px; }
table.cham-cong th, table.cham-cong td { border: 1px solid #999; padding: 6px 8px; text-align: center; }
table.cham-cong th { background: #ffe14d; }
table.cham-cong td.chunhat { color: #c00; }

.login-box { max-width: 360px; margin: 60px auto; background: #fff; padding: 24px; border-radius: 6px; box-shadow: 0 1px 4px rgba(0,0,0,.15); }
.login-box input { width: 100%; padding: 8px; margin: 6px 0 14px; border: 1px solid #ccc; border-radius: 4px; }
.login-box button { width: 100%; padding: 10px; background: #1f4e79; color: #fff; border: none; border-radius: 4px; cursor: pointer; }
.error-msg { color: #c00; margin-bottom: 10px; }

.badge { padding: 2px 8px; border-radius: 10px; font-size: 12px; color: #fff; }
.badge-draft { background: #999; }
.badge-submitted { background: #f0ad4e; }
.badge-approved { background: #5cb85c; }
.badge-final { background: #337ab7; }
.badge-rejected { background: #d9534f; }

table.list-table { border-collapse: collapse; width: 100%; margin-top: 12px; background: #fff; }
table.list-table th, table.list-table td { border: 1px solid #ddd; padding: 8px; text-align: left; font-size: 14px; }
table.list-table th { background: #eef2f7; }

/* Luoi lich cham cong dang tuan (thay the bang danh sach 31 dong) */
.ck-toolbar { background: #fff; border: 1px solid #ddd; border-radius: 6px; padding: 10px 12px; margin-bottom: 10px; }
.ck-stamp {
    display: inline-block; min-width: 34px; margin: 3px 3px 3px 0; padding: 4px 8px;
    border: 1px solid #bbb; border-radius: 4px; cursor: pointer; font-size: 13px; font-weight: 600;
}
.ck-stamp.dang-chon { outline: 3px solid #1f4e79; }
table.lich-cham-cong { border-collapse: collapse; width: 100%; table-layout: fixed; }
table.lich-cham-cong th { background: #ffe14d; border: 1px solid #c9a800; padding: 6px 0; font-size: 13px; }
table.lich-cham-cong th.chunhat { color: #c00; }
table.lich-cham-cong td.o-ngay { border: 1px solid #ccc; height: 54px; padding: 2px; vertical-align: top; }
table.lich-cham-cong td.o-trong { border: 1px solid #eee; background: #fafafa; }
table.lich-cham-cong td.o-ngay.chunhat .o-so-ngay { color: #c00; }
.o-so-ngay { font-size: 11px; color: #777; padding: 1px 3px; }
.o-chon-ky-hieu {
    width: 100%; border: none; background: transparent; text-align: center; font-size: 13px;
    font-weight: 600; padding: 2px 0; cursor: pointer; border-radius: 3px;
}
.o-chon-ky-hieu:disabled { color: #999; cursor: default; }
.o-ky-hieu-readonly {
    text-align: center; font-size: 13px; font-weight: 600; padding: 3px 0; border-radius: 3px;
}

/* Bang cham cong hang loat theo don vi */
table.luoi-hang-loat { border-collapse: separate; border-spacing: 0; font-size: 12px; border: 1px solid #333; }
table.luoi-hang-loat th, table.luoi-hang-loat td {
    border: 1px solid #333; padding: 4px; text-align: center; vertical-align: middle;
}
table.luoi-hang-loat th { background: #ffe14d; position: sticky; top: 0; z-index: 4; }
table.luoi-hang-loat th.chunhat { color: #c00; }
table.luoi-hang-loat .cot-stt {
    position: sticky; left: 0; background: #fff; z-index: 2; min-width: 36px; width: 36px;
    text-align: center; vertical-align: middle;
}
table.luoi-hang-loat th.cot-stt { background: #ffe14d; z-index: 5; }
table.luoi-hang-loat .cot-ten-cd {
    position: sticky; left: 36px; background: #fff; text-align: center; padding: 4px 8px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    width: 160px; max-width: 160px; z-index: 2; box-shadow: 3px 0 3px rgba(0,0,0,.15); vertical-align: middle;
}
table.luoi-hang-loat th.cot-ten-cd { background: #ffe14d; z-index: 5; }
table.luoi-hang-loat .cot-chuc-vu { text-align: center; padding: 4px 8px; }
table.luoi-hang-loat td.o-hang-loat { padding: 0; min-width: 40px; }
table.luoi-hang-loat .o-chon-ky-hieu { width: 40px; font-size: 12px; padding: 3px 0; text-align: center; }
table.luoi-hang-loat th.cuoi-tuan { background: #f4cccc; color: #c00; }
table.luoi-hang-loat th.thu-trong-tuan { font-weight: normal; font-size: 11px; background: #fff7d6; }
table.luoi-hang-loat td.cot-cuoi-tuan { background: #fdeaea; }

.btn { display: inline-block; padding: 6px 14px; border-radius: 4px; border: none; cursor: pointer; color: #fff; font-size: 13px; text-decoration: none; }
.btn-approve { background: #5cb85c; }
.btn-reject { background: #d9534f; }
.btn-primary { background: #1f4e79; }