/* MT Platform — base styles */

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

:root {
    --bg:           #f4f5f7;
    --surface:      #ffffff;
    --border:       #e0e0e0;
    --primary:      #1a73e8;
    --primary-h:    #1558b0;
    --text:         #212121;
    --muted:        #6b7280;
    --error:        #d32f2f;
    --error-bg:     #ffebee;
    --success:      #2e7d32;
    --success-bg:   #e8f5e9;
    --warning:      #e65100;
    --warning-bg:   #fff3e0;
    --radius:       6px;
    --shadow:       0 1px 3px rgba(0,0,0,.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: "Cascadia Code", "Fira Code", monospace; font-size: .9em; background: #f0f0f0; padding: 1px 4px; border-radius: 3px; }

/* ── Layout ─────────────────────────────── */
.container { padding: 1.5rem; max-width: 1400px; margin: 0 auto; }

/* ── Nav ─────────────────────────────────── */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 52px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    position: sticky; top: 0; z-index: 100;
}
.nav-left    { display: flex; align-items: center; gap: 1.5rem; }
.nav-brand   { font-weight: 700; font-size: .95rem; color: var(--primary); letter-spacing: .01em; }
.nav-brand:hover { text-decoration: none; }
.nav-link    { font-size: .875rem; color: var(--muted); font-weight: 500; }
.nav-link:hover { color: var(--text); text-decoration: none; }
.nav-user    { display: flex; align-items: center; gap: 1rem; font-size: .875rem; color: var(--muted); }
.nav-name    { font-weight: 500; color: var(--text); }

/* ── Alerts ──────────────────────────────── */
.alert { padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: .875rem; }
.alert-error   { background: var(--error-bg);   color: var(--error); }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-warning { background: var(--warning-bg); color: var(--warning); }

/* ── Buttons ──────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: .4rem 1rem; border: 1px solid transparent; border-radius: var(--radius);
    font-size: .875rem; font-weight: 500; cursor: pointer; text-decoration: none;
    transition: background .15s, border-color .15s;
    white-space: nowrap;
}
.btn-primary   { background: var(--primary);   color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-h); text-decoration: none; }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); text-decoration: none; }
.btn-sm        { padding: .25rem .6rem; font-size: .8rem; }
.btn-full      { width: 100%; }
.btn-link      { background: none; border: none; color: var(--primary); cursor: pointer; font-size: inherit; padding: 0; }
.btn-action    { font-size: .8rem; color: var(--primary); padding: .2rem .4rem; border-radius: 4px; }
.btn-action:hover { background: var(--bg); text-decoration: none; }
.btn-action.btn-danger  { color: var(--error); }
.btn-action.btn-success { color: var(--success); }

/* ── Forms ────────────────────────────────── */
.form-group        { margin-bottom: 1rem; }
.form-group label  { display: block; font-size: .8rem; font-weight: 600; margin-bottom: .3rem; color: var(--muted); text-transform: uppercase; letter-spacing: .02em; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: .45rem .7rem; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: .9rem; color: var(--text);
    background: var(--surface); transition: border-color .15s;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); }
.form-row          { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-actions      { display: flex; gap: .75rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.section-title     { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 1.5rem 0 .75rem; }
.hint              { font-size: .75rem; color: var(--muted); font-weight: 400; text-transform: none; }
.checkbox-group    { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-bottom: 1rem; }
.checkbox-label    { display: flex; align-items: center; gap: .4rem; font-size: .9rem; cursor: pointer; }
.checkbox-label input { width: auto; }
.select-sm         { padding: .25rem .5rem; font-size: .85rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); cursor: pointer; }

/* ── Card ─────────────────────────────────── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; margin-bottom: 1rem; }

/* ── Page header ─────────────────────────── */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1.25rem; }
.page-title  { font-size: 1.3rem; font-weight: 700; }
.page-sub    { font-size: .875rem; color: var(--muted); margin-top: .2rem; }

/* ── Table ────────────────────────────────── */
.table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.table th { text-align: left; padding: .6rem .75rem; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); border-bottom: 2px solid var(--border); white-space: nowrap; }
.table td { padding: .6rem .75rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--bg); }
.actions { white-space: nowrap; }

/* ── Badges ───────────────────────────────── */
.badge { display: inline-block; padding: .15rem .45rem; border-radius: 99px; font-size: .72rem; font-weight: 600; letter-spacing: .02em; white-space: nowrap; }
.badge-primary   { background: #e8f0fe; color: #1a73e8; }
.badge-success   { background: var(--success-bg); color: var(--success); }
.badge-danger    { background: var(--error-bg);   color: var(--error); }
.badge-secondary { background: #f0f0f0; color: #555; }

/* ── Pagination ──────────────────────────── */
.pagination { display: flex; align-items: center; gap: .75rem; margin-top: 1rem; font-size: .875rem; }

/* ── Dashboard app grid ──────────────────── */
.app-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.app-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem 1.25rem; text-decoration: none; color: var(--text); transition: border-color .15s, box-shadow .15s; display: block; }
.app-card:hover { border-color: var(--primary); box-shadow: 0 2px 8px rgba(26,115,232,.15); text-decoration: none; }
.app-card-name { font-size: 1rem; font-weight: 600; margin-bottom: .35rem; }
.app-card-desc { font-size: .85rem; color: var(--muted); }

/* ── Utility ──────────────────────────────── */
.text-muted   { color: var(--muted); }
.text-sm      { font-size: .8rem; }
.text-center  { text-align: center; }
.text-nowrap  { white-space: nowrap; }

/* ── Login page ──────────────────────────── */
.login-wrap  { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 2rem; }
.login-card  { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 2.5rem 2rem; width: 100%; max-width: 380px; }
.login-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 1.75rem; text-align: center; }
.login-form .btn { margin-top: .5rem; }