:root {
    --black: #111315;
    --anthracite: #202326;
    --gray-900: #2a2d30;
    --gray-700: #575d63;
    --gray-500: #858b91;
    --gray-300: #d7dadd;
    --gray-200: #ebecee;
    --gray-100: #f6f7f8;
    --white: #ffffff;
    --ok-bg: #e9f4ed;
    --ok: #27633f;
    --warn-bg: #fff4dc;
    --warn: #886015;
    --danger-bg: #fde9e7;
    --danger: #942819;
    --radius: 18px;
    --shadow: 0 18px 45px rgba(17,19,21,.10);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(145deg, #ffffff, #f1f2f3);
    color: var(--black);
}

a { color: inherit; text-decoration: none; }
.app-shell { min-height: 100vh; }
.center-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card, .card, .mobile-card {
    background: rgba(255,255,255,.95);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 34px;
}

.logo-login {
    display: block;
    max-width: 145px;
    max-height: 95px;
    object-fit: contain;
    margin: 0 auto 18px;
    filter: grayscale(1);
}

h1, h2, h3 { margin: 0 0 12px; }
.muted { color: var(--gray-700); }
.small { font-size: 13px; color: var(--gray-700); }
.text-center { text-align: center; }

label { display: block; font-size: 13px; font-weight: 700; margin: 16px 0 6px; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    padding: 12px 13px;
    font-size: 15px;
    background: white;
}
textarea { min-height: 90px; resize: vertical; }

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border: 0;
    border-radius: 13px;
    padding: 12px 18px;
    background: var(--anthracite);
    color: white;
    font-weight: 700;
    cursor: pointer;
    min-height: 46px;
}
.btn.full { width: 100%; margin-top: 20px; }
.btn.secondary { background: var(--gray-200); color: var(--black); }
.btn.danger { background: var(--danger); }
.btn:hover { opacity: .92; }

.flash {
    background: var(--warn-bg);
    color: var(--warn);
    border: 1px solid #f0d08f;
    padding: 12px;
    border-radius: 12px;
    margin: 12px 0;
}

.admin-layout {
    display: grid;
    grid-template-columns: 270px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--anthracite);
    color: white;
    padding: 24px 18px;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 28px;
}

.brand img {
    width: 64px;
    height: 46px;
    object-fit: contain;
    background: white;
    border-radius: 10px;
    padding: 4px;
    filter: grayscale(1);
}

.brand strong { display: block; font-size: 14px; }
.brand span { display: block; font-size: 12px; color: #c6c8ca; margin-top: 3px; }

.sidebar nav a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 6px;
    color: #e9eaec;
}

.sidebar nav a.active, .sidebar nav a:hover {
    background: rgba(255,255,255,.12);
}

.main {
    padding: 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    margin-bottom: 24px;
}

.grid {
    display: grid;
    gap: 18px;
}
.grid.stats { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }

.card {
    padding: 22px;
}
.stat-number {
    font-size: 34px;
    font-weight: 800;
    margin: 10px 0 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
th, td {
    border-bottom: 1px solid var(--gray-200);
    padding: 11px 9px;
    text-align: left;
    vertical-align: middle;
}
th {
    color: var(--gray-700);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.pill {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 700;
}
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.danger { background: var(--danger-bg); color: var(--danger); }

.employee-page {
    max-width: 640px;
    margin: 0 auto;
    padding: 24px;
}

.mobile-card {
    padding: 24px;
    margin-top: 18px;
}

.employee-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.employee-header img {
    width: 88px;
    height: 55px;
    object-fit: contain;
    filter: grayscale(1);
}

.clock {
    font-size: clamp(42px, 12vw, 70px);
    font-weight: 800;
    letter-spacing: .02em;
    text-align: center;
    margin: 22px 0 6px;
}

.date-line {
    text-align: center;
    color: var(--gray-700);
    margin-bottom: 24px;
}

.punch-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.punch-grid .btn {
    min-height: 82px;
    font-size: 16px;
}

.table-card { overflow-x: auto; }

@media (max-width: 900px) {
    .admin-layout { grid-template-columns: 1fr; }
    .sidebar { position: relative; }
    .grid.stats, .grid.two { grid-template-columns: 1fr; }
    .topbar { align-items: flex-start; flex-direction: column; }
}


.btn:disabled {
    opacity: .45;
    cursor: not-allowed;
    filter: grayscale(1);
}