/* ─── Design-System ───────────────────────────────────────────────────────── */
:root {
    --bg:          #f0f2f5;
    --surface:     #ffffff;
    --surface-2:   #f7f8fa;
    --border:      #dde1e8;
    --border-dark: #c5cad4;
    --text-primary:   #1a1d23;
    --text-secondary: #5a6275;
    --text-muted:     #9aa0ae;
    --accent:      #3a5fc8;
    --accent-dark: #2d4fad;
    --accent-soft: #eef2fb;
    --header-bg:   #2c4fa3;
    --header-text: #ffffff;
    --green:       #1a7a4a;
    --green-bg:    #e8f5ed;
    --red:         #c0392b;
    --red-bg:      #fdecea;
    --amber:       #b45309;
    --header-h:    52px;
    --radius:      6px;
    --radius-sm:   4px;
    --shadow:      0 1px 3px rgba(0,0,0,.08);
    --shadow-md:   0 4px 16px rgba(0,0,0,.12);
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text-primary); font-size: 14px; line-height: 1.5; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }

/* Header */
.app-header { background: var(--header-bg); height: var(--header-h); position: sticky; top: 0; z-index: 200; box-shadow: 0 2px 6px rgba(0,0,0,.2); padding-top: env(safe-area-inset-top); }
.header-inner { max-width: 1100px; margin: 0 auto; height: var(--header-h); display: flex; align-items: center; justify-content: space-between; padding: 0 20px; gap: 16px; }
.header-brand { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.brand-icon { font-size: 18px; }
.brand-name { font-size: 15px; font-weight: 700; color: #fff; letter-spacing: .2px; }
.header-nav { display: flex; align-items: center; gap: 2px; }
.nav-link { display: flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: var(--radius-sm); color: rgba(255,255,255,.8); font-size: 13px; font-weight: 500; transition: background .12s, color .12s; }
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,.15); color: #fff; }
.nav-icon { font-size: 15px; }
.nav-label { white-space: nowrap; }
.nav-logout { color: rgba(255,180,180,.9); }
.nav-logout:hover { background: rgba(200,50,50,.25); color: #ffb3b3; }

/* Main */
.app-main { min-height: calc(100vh - var(--header-h)); }
.page-wrap { max-width: 1100px; margin: 0 auto; padding: 20px 20px 40px; }

/* Flash */
.flash-container { max-width: 1100px; margin: 0 auto; padding: 10px 20px 0; }
.flash { display: flex; align-items: center; gap: 8px; padding: 9px 13px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; margin-bottom: 5px; border-left: 3px solid; }
.flash-success { background: var(--green-bg); color: var(--green); border-color: var(--green); }
.flash-error   { background: var(--red-bg);   color: var(--red);   border-color: var(--red); }
.flash-info    { background: #fff8e6; color: var(--amber); border-color: var(--amber); }

/* Page Header */
.page-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.page-title { font-size: 16px; font-weight: 700; flex: 1; }
.back-link { color: var(--accent); font-size: 13px; font-weight: 500; white-space: nowrap; }

/* Toolbar */
.toolbar { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; padding: 11px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.toolbar-group { display: flex; flex-direction: column; gap: 4px; }
.toolbar-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); }
.toolbar-spacer { flex: 1; }

/* Stats Bar */
.stats-bar { display: flex; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; }
.stat-item { flex: 1; background: var(--surface); padding: 10px 16px; display: flex; align-items: center; gap: 10px; }
.stat-label { font-size: 12px; color: var(--text-secondary); white-space: nowrap; }
.stat-value { font-size: 16px; font-weight: 700; color: var(--text-primary); letter-spacing: -.3px; }
.stat-value--accent { color: var(--accent); }

/* Table */
.table-container { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table thead th { background: var(--header-bg); color: var(--header-text); padding: 10px 14px; font-size: 12px; font-weight: 600; text-align: left; white-space: nowrap; border-right: 1px solid rgba(255,255,255,.12); user-select: none; }
.data-table thead th:last-child { border-right: none; }
.data-table tbody tr { border-bottom: 1px solid var(--border); transition: background .1s; }
.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:nth-child(even) td { background: var(--surface-2); }
.data-table tbody tr:hover td { background: var(--accent-soft) !important; }
.data-table tbody td { padding: 9px 14px; vertical-align: middle; white-space: nowrap; }

.td-date { color: var(--accent); font-weight: 600; cursor: pointer; border-bottom: 1px dotted var(--accent); }
.td-date:hover { color: var(--accent-dark); }
.td-person { font-weight: 600; }
.td-hours { font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.td-positive { color: var(--green); font-weight: 600; }
.td-negative { color: var(--red); font-weight: 600; }
.td-muted { color: var(--text-muted); }
.td-notes { color: var(--text-secondary); font-style: italic; max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
.td-actions { display: flex; gap: 5px; }

.tr-group-header td { background: #e4e9f5 !important; color: var(--accent-dark); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; padding: 6px 14px; }

/* Edit Row */
.tr-edit td { padding: 8px; background: #f0f5ff !important; }
.tr-edit-inner { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-end; }
.edit-field { display: flex; flex-direction: column; gap: 3px; }
.edit-field label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; color: var(--text-muted); }
.edit-actions { display: flex; gap: 6px; padding-bottom: 1px; }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 500; align-items: center; justify-content: center; padding: 16px; }
.modal-overlay.open { display: flex; }
.modal { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; max-width: 480px; overflow: hidden; animation: modalIn .18s ease-out; }
@keyframes modalIn { from { opacity:0; transform:scale(.97) translateY(-6px); } to { opacity:1; transform:scale(1) translateY(0); } }
.modal-header { background: var(--header-bg); color:#fff; padding:12px 18px; display:flex; align-items:center; justify-content:space-between; }
.modal-title { font-size:14px; font-weight:700; }
.modal-close { background:none; border:none; color:rgba(255,255,255,.8); font-size:20px; cursor:pointer; line-height:1; padding:0 4px; }
.modal-close:hover { color:#fff; }
.modal-body { padding:18px; display:flex; flex-direction:column; gap:13px; }
.modal-footer { padding:11px 18px; border-top:1px solid var(--border); display:flex; gap:8px; justify-content:flex-end; align-items:center; }
.modal-footer-left { margin-right:auto; }

/* Forms */
.form-row-2 { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.form-group { display:flex; flex-direction:column; gap:5px; }
.form-label { font-size:11px; font-weight:700; color:var(--text-secondary); text-transform:uppercase; letter-spacing:.4px; }
.optional { color:var(--text-muted); font-weight:400; text-transform:none; letter-spacing:0; }
.form-control { width:100%; padding:8px 10px; border:1.5px solid var(--border-dark); border-radius:var(--radius-sm); font-size:14px; font-family:var(--font); color:var(--text-primary); background:var(--surface); transition:border-color .12s, box-shadow .12s; -webkit-appearance:none; appearance:none; min-height:36px; }
.form-control:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(58,95,200,.15); }
select.form-control { background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235a6275' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 10px center; padding-right:30px; }
.form-control--lg { font-size:15px; min-height:44px; padding:10px 12px; }

/* Pause Picker */
.pause-picker { display:flex; gap:6px; margin-bottom:5px; }
.pause-preset { flex:1; padding:6px 4px; border:1.5px solid var(--border-dark); border-radius:var(--radius-sm); background:var(--surface); font-size:13px; font-weight:600; color:var(--text-secondary); cursor:pointer; transition:all .12s; font-family:var(--font); text-align:center; }
.pause-preset.active, .pause-preset:hover { border-color:var(--accent); background:var(--accent-soft); color:var(--accent); }

/* Total */
.total-display { display:flex; align-items:center; justify-content:space-between; padding:10px 14px; background:var(--accent-soft); border:1.5px solid #c5d3f5; border-radius:var(--radius-sm); }
.total-label { font-size:11px; font-weight:700; color:var(--accent); text-transform:uppercase; letter-spacing:.4px; }
.total-value { font-size:22px; font-weight:800; color:var(--accent); letter-spacing:-.5px; }

/* Buttons */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:5px; padding:7px 13px; border-radius:var(--radius-sm); font-size:13px; font-weight:600; border:1px solid transparent; cursor:pointer; transition:all .12s; font-family:var(--font); white-space:nowrap; -webkit-tap-highlight-color:transparent; }
.btn:active { transform:scale(.97); }
.btn-block { display:flex; width:100%; }
.btn-primary { background:var(--accent); color:white; border-color:var(--accent); }
.btn-primary:hover { background:var(--accent-dark); border-color:var(--accent-dark); }
.btn-secondary { background:var(--surface); color:var(--text-primary); border-color:var(--border-dark); }
.btn-secondary:hover { background:var(--surface-2); }
.btn-danger { background:var(--red-bg); color:var(--red); border-color:#e9a8a3; }
.btn-danger:hover { background:#f8d7d5; }
.btn-ghost { background:transparent; color:var(--text-secondary); border-color:transparent; }
.btn-ghost:hover { background:var(--surface-2); border-color:var(--border); }
.btn-sm { padding:5px 9px; font-size:12px; }
.btn-lg { padding:10px 18px; font-size:14px; }
.btn-xl { padding:11px 22px; font-size:15px; min-height:42px; }
.btn-icon { display:inline-flex; align-items:center; justify-content:center; width:32px; height:32px; border-radius:var(--radius-sm); font-size:15px; text-decoration:none; transition:background .12s; }
.btn-icon:hover { background:var(--accent-soft); }

/* User list */
.user-list { display:flex; flex-direction:column; gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.user-card { background:var(--surface); padding:11px 16px; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.user-card:hover { background:var(--surface-2); }
.user-name { font-size:14px; font-weight:600; }
.user-meta { display:flex; align-items:center; gap:8px; margin-top:2px; }
.user-login { font-size:12px; color:var(--text-secondary); }
.role-badge { font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.4px; padding:2px 7px; border-radius:3px; }
.role-admin { background:#fef3c7; color:#92400e; }
.role-employee { background:var(--accent-soft); color:var(--accent); }

/* Login */
.login-page { background:linear-gradient(160deg, #0f172a 0%, #1e3a5f 60%, #2c4fa3 100%); }
.login-wrap { min-height:100vh; min-height:100dvh; display:flex; align-items:flex-start; justify-content:center; padding:48px 16px 24px; overflow-y:auto; }
.login-card { width:100%; max-width:350px; background:white; border-radius:var(--radius); padding:24px 26px; box-shadow:0 20px 60px rgba(0,0,0,.3); }
.login-logo { text-align:center; margin-bottom:16px; }
.login-logo-img { height: 48px; width: auto; }
.login-title { font-size:20px; font-weight:800; letter-spacing:-.4px; margin-bottom:3px; }
.login-sub { font-size:13px; color:var(--text-secondary); }
.login-form { display:flex; flex-direction:column; gap:13px; margin-top:16px; }

/* Empty */
.empty-state { text-align:center; padding:48px 16px; color:var(--text-secondary); }
.empty-icon { font-size:32px; margin-bottom:10px; }
.empty-text { font-size:14px; margin-bottom:14px; }

/* Summary table */
.summary-table { width:100%; border-collapse:collapse; font-size:13px; }
.summary-table th { background:#e4e9f5; color:var(--accent-dark); padding:8px 14px; font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.4px; text-align:left; border-bottom:1px solid var(--border); }
.summary-table td { padding:8px 14px; border-bottom:1px solid var(--border); }
.summary-table tr:last-child td { border-bottom:none; }
.summary-table tr:hover td { background:var(--accent-soft); }

/* Mobile */
@media (max-width:640px) {
    .page-wrap { padding:10px 10px 40px; }
    .header-inner { padding:0 10px; }
    .nav-label { display:none; }
    .nav-link { padding:7px 8px; }
    .col-hide-mobile { display:none; }
    .toolbar { flex-direction:column; align-items:stretch; }
    .form-row-2 { grid-template-columns:1fr; }
    .stats-bar { flex-direction:column; gap:1px; }
    .modal { max-height:90vh; overflow-y:auto; }
    .pause-picker .pause-preset { padding:8px 2px; }
}

@supports (padding:max(0px)) {
    .header-inner { padding-left:max(20px,env(safe-area-inset-left)); padding-right:max(20px,env(safe-area-inset-right)); }
    .page-wrap { padding-left:max(20px,env(safe-area-inset-left)); padding-right:max(20px,env(safe-area-inset-right)); }
}