:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --bg: #f4f5fa;
    --card-bg: #ffffff;
    --text: #1f2330;
    --muted: #6b7280;
    --border: #e5e7eb;
    --great: #0f9d58;
    --good: #34a853;
    --ok: #f4b400;
    --bad: #db4437;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

/* Navbar */
.navbar { background: var(--card-bg); border-bottom: 1px solid var(--border); }
.navbar-inner {
    max-width: 1100px; margin: 0 auto; padding: 14px 20px;
    display: flex; justify-content: space-between; align-items: center;
}
.brand { font-weight: 700; font-size: 1.2rem; color: var(--primary); text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { color: var(--text); text-decoration: none; font-weight: 500; }
.nav-links a:hover { color: var(--primary); }
.nav-user { color: var(--muted); font-size: 0.9rem; }
.btn-link { color: var(--primary) !important; }

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.card h2, .card h3 { margin-top: 0; }

/* Forms */
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
input[type=text], input[type=email], input[type=password], input[type=number], select {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border);
    border-radius: 8px; font-size: 1rem; margin-bottom: 16px; background: #fff;
}
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

.btn {
    display: inline-block; background: var(--primary); color: #fff;
    border: none; padding: 10px 18px; border-radius: 8px; font-size: 0.95rem;
    font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--primary-dark); }
.btn-danger { background: var(--bad); }
.btn-danger:hover { background: #b3271b; }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }

/* Auth pages */
.auth-wrapper { max-width: 400px; margin: 60px auto; }
.auth-wrapper h1 { text-align: center; color: var(--primary); }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 0.92rem; }
.alert-success { background: #e6f4ea; color: #1e7e34; }
.alert-error { background: #fdeaea; color: #b3271b; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr:hover td { background: #fafafe; }

/* Badges (pozisyon renkleri) */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 20px;
    font-weight: 700; font-size: 0.85rem; min-width: 30px; text-align: center;
}
.badge-great { background: #d7f4e0; color: var(--great); }
.badge-good  { background: #e3f6e6; color: var(--good); }
.badge-ok    { background: #fdf3d7; color: #a67c00; }
.badge-bad   { background: #fbe4e2; color: var(--bad); }
.badge-muted { background: #eee; color: var(--muted); }

/* Trend arrows */
.trend-up   { color: var(--great); font-weight: 700; }
.trend-down { color: var(--bad); font-weight: 700; }
.trend-same { color: var(--muted); }
.trend-new  { color: var(--primary); font-weight: 700; }
.trend-lost { color: var(--bad); font-weight: 700; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-box { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; text-align: center; }
.stat-box .value { font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.stat-box .label { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }

.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.muted { color: var(--muted); font-size: 0.88rem; }
.text-right { text-align: right; }

.footer { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 30px 0; }

a.project-link { text-decoration: none; color: var(--text); font-weight: 600; }
a.project-link:hover { color: var(--primary); }

.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }

@media (max-width: 700px) {
    .grid-2 { grid-template-columns: 1fr; }
}