/* Asaalas Classroom — admin panel styles (clean, friendly, non-technical) */

:root {
    --accent: #2196f3;
    --dark: #1c2b3a;
    --line: #e3e8ee;
    --soft: #f5f7fa;
    --ok: #2e7d32;
    --bad: #c62828;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    font-size: 14px; color: #2c3a48; background: var(--soft);
}

a { color: var(--accent); text-decoration: none; }
h1, h2, h3, .btn { font-family: 'Archivo', sans-serif; }

.admin-wrap { display: flex; min-height: 100vh; }

/* ---------------- sidebar ---------------- */
.admin-side {
    width: 230px; background: var(--dark); color: #aab9c8; flex-shrink: 0;
    display: flex; flex-direction: column;
}
.admin-side .brand {
    padding: 22px 20px; color: #fff; font-family: 'Archivo', sans-serif;
    font-size: 17px; letter-spacing: 1.5px; text-transform: uppercase;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.admin-side .brand small { display: block; color: #6f8294; font-size: 10px; letter-spacing: 2px; margin-top: 3px; }
.admin-side nav { padding: 14px 0; flex: 1; }
.admin-side nav a {
    display: flex; align-items: center; gap: 12px; padding: 11px 20px;
    color: #aab9c8; font-size: 13.5px;
}
.admin-side nav a i { width: 18px; text-align: center; }
.admin-side nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.admin-side nav a.on { background: var(--accent); color: #fff; }
.admin-side .foot { padding: 16px 20px; font-size: 12px; border-top: 1px solid rgba(255,255,255,.08); }
.admin-side .foot a { color: #aab9c8; display: block; margin-top: 6px; }
.admin-side .foot a:hover { color: #fff; }

/* ---------------- main ---------------- */
.admin-main { flex: 1; padding: 28px 34px; max-width: 1200px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.admin-head h1 { font-size: 24px; font-weight: 500; color: var(--dark); letter-spacing: .5px; }
.admin-head .sub { color: #7b8a99; font-size: 13px; margin-top: 3px; }

/* ---------------- cards & stats ---------------- */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 26px; }
.stat {
    background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px;
}
.stat .n { font-size: 28px; font-weight: 600; font-family: 'Archivo', sans-serif; color: var(--dark); }
.stat .l { font-size: 12px; color: #7b8a99; text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; }
.stat i { float: right; font-size: 22px; color: var(--accent); opacity: .35; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 24px; margin-bottom: 24px; }
.panel h2 { font-size: 16px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; color: var(--dark); margin-bottom: 16px; }

/* ---------------- buttons ---------------- */
.btn {
    display: inline-block; background: var(--accent); color: #fff; border: 0; cursor: pointer;
    padding: 10px 22px; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; border-radius: 6px;
}
.btn:hover { filter: brightness(.92); }
.btn.green { background: var(--ok); }
.btn.red { background: var(--bad); }
.btn.gray { background: #6b7a89; }
.btn.sm { padding: 6px 14px; font-size: 12px; }

/* ---------------- tables ---------------- */
table.list { width: 100%; border-collapse: collapse; background: #fff; }
table.list th {
    text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
    color: #7b8a99; padding: 10px 12px; border-bottom: 2px solid var(--line);
}
table.list td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.list tr:hover td { background: #fafcff; }
table.list img.mini { width: 84px; border-radius: 5px; display: block; }

/* ---------------- forms ---------------- */
.fgroup { margin-bottom: 18px; }
.fgroup label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; color: var(--dark); }
.fgroup .hint { font-weight: 400; color: #8a99a8; font-size: 12px; }
.fgroup input[type=text], .fgroup input[type=email], .fgroup input[type=password], .fgroup input[type=date],
.fgroup input[type=time], .fgroup input[type=url], .fgroup input[type=number], .fgroup input[type=color],
.fgroup select, .fgroup textarea {
    width: 100%; padding: 10px 13px; border: 1px solid #ccd6e0; border-radius: 6px; font-size: 14px;
    font-family: 'Inter', sans-serif; background: #fff;
}
.fgroup input:focus, .fgroup textarea:focus, .fgroup select:focus { outline: none; border-color: var(--accent); }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.frow3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }

/* ---------------- misc ---------------- */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.alert.success { background: #e8f5e9; color: #256d2a; }
.alert.error { background: #fdecea; color: #b3261e; }
.alert.info { background: #e7f1fb; color: #1059a0; }

.pill { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.pill.on { background: #e8f5e9; color: var(--ok); }
.pill.off { background: #eceff1; color: #607d8b; }
.pill.new { background: #e3f2fd; color: #1565c0; }
.pill.ok { background: #e8f5e9; color: #2e7d32; }
.pill.warn { background: #fff3e0; color: #b45309; }

.help {
    background: #fff8e1; border: 1px solid #ffe1a6; border-radius: 8px; padding: 14px 18px;
    font-size: 13px; color: #6d5408; margin-bottom: 20px;
}
.help i { margin-right: 6px; }

.pager { display: flex; gap: 6px; margin-top: 18px; }
.pager a, .pager span {
    min-width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line); border-radius: 6px; background: #fff; color: #2c3a48; font-size: 13px;
}
.pager .on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------------- login screen ---------------- */
.login-screen {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0d1b2a, #1b2c45);
}
.login-card { background: #fff; border-radius: 12px; padding: 38px; width: 380px; box-shadow: 0 24px 60px rgba(0,0,0,.4); }
.login-card h1 { font-size: 20px; text-transform: uppercase; letter-spacing: 2px; color: var(--dark); text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: #8a99a8; font-size: 12px; margin-bottom: 24px; letter-spacing: 1px; }

@media (max-width: 860px) {
    .admin-wrap { flex-direction: column; }
    .admin-side { width: 100%; }
    .admin-side nav { display: flex; flex-wrap: wrap; }
    .frow, .frow3 { grid-template-columns: 1fr; }
    .admin-main { padding: 18px; }
}