/* =====================================================
   Sistemi i Arkës — stil "libër llogarie" modern
   Paleta: navy bojë llogarie, letër e bardhë, jeshile arke
   ===================================================== */
:root {
    --navy: #1f3a5f;
    --navy-dark: #16293f;
    --paper: #f5f6f8;
    --white: #ffffff;
    --ink: #24303e;
    --ink-soft: #64748b;
    --line: #e2e6ec;
    --green: #157a4b;
    --green-soft: #e7f5ee;
    --red: #b3352c;
    --red-soft: #fcecea;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(22, 41, 63, .08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
    background: var(--paper);
    color: var(--ink);
    font-size: 15px;
    line-height: 1.5;
}

h1 { font-size: 1.5rem; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; margin: 0 0 14px; color: var(--navy); }

/* ---------- Topbar ---------- */
.topbar { background: var(--navy); box-shadow: var(--shadow); }
.topbar-inner {
    max-width: 1100px; margin: 0 auto; padding: 0 18px;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 4px;
}
.brand {
    color: #fff; text-decoration: none; font-weight: 700; font-size: 1.05rem;
    padding: 12px 0; display: inline-flex; align-items: center; gap: 8px;
}
.brand-mark {
    background: rgba(255,255,255,.14); border-radius: 6px;
    width: 28px; height: 28px; display: inline-flex; align-items: center;
    justify-content: center; font-size: .95rem;
}
.nav { display: flex; flex-wrap: wrap; gap: 2px; }
.nav a {
    color: #c7d3e3; text-decoration: none; padding: 14px 11px;
    font-size: .92rem; border-bottom: 3px solid transparent;
}
.nav a:hover { color: #fff; }
.nav a.on { color: #fff; border-bottom-color: #f0b429; font-weight: 600; }
.nav-out { color: #f3b8b2 !important; }

/* ---------- Layout ---------- */
.wrap { max-width: 1100px; margin: 26px auto 40px; padding: 0 18px; }
.page-head {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px; margin-bottom: 20px;
}
.page-head-r { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.muaji-tag { color: var(--ink-soft); font-size: .92rem; }
.footer { text-align: center; color: var(--ink-soft); font-size: .85rem; padding: 20px; }

/* ---------- Arka (paneli i gjendjes) ---------- */
.arka {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    color: #fff; border-radius: var(--radius); padding: 26px 28px;
    margin-bottom: 18px; box-shadow: var(--shadow);
    background-image:
        linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
}
.arka-label { text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; color: #9db3d0; }
.arka-vlera {
    font-size: 2.6rem; font-weight: 800; letter-spacing: -.02em;
    font-variant-numeric: tabular-nums; margin: 4px 0 8px; color: #7ee2ae;
}
.arka-neg .arka-vlera { color: #ff9d94; }
.arka-formula { display: flex; gap: 10px; flex-wrap: wrap; color: #c7d3e3; font-size: .95rem; font-variant-numeric: tabular-nums; }
.arka-formula .op { color: #f0b429; font-weight: 700; }
.arka-warn { margin-top: 12px; background: rgba(179,53,44,.35); border-radius: 6px; padding: 8px 12px; font-size: .92rem; }

/* ---------- Statistikat ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.stat-v { font-size: 1.25rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-l { color: var(--ink-soft); font-size: .84rem; margin-top: 2px; }
.stat-pos .stat-v { color: var(--green); }
.stat-neg .stat-v { color: var(--red); }

/* ---------- Kartat ---------- */
.card {
    background: var(--white); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 20px 22px; margin-bottom: 18px;
    box-shadow: var(--shadow);
}
.card-narrow { max-width: 460px; }
.card-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.card-head h2 { margin: 0; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.empty { color: var(--ink-soft); padding: 8px 0; }
.hint { color: var(--ink-soft); font-size: .85rem; }

/* ---------- Tabelat ---------- */
.tbl { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.tbl th {
    text-align: left; font-size: .78rem; text-transform: uppercase;
    letter-spacing: .06em; color: var(--ink-soft);
    padding: 9px 10px; border-bottom: 2px solid var(--line);
}
.tbl td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tfoot td { border-bottom: none; border-top: 2px solid var(--navy); background: #f8fafc; }
.ta-r { text-align: right; }
.lnk { color: var(--navy); text-decoration: none; font-weight: 600; font-size: .9rem; background: none; border: none; cursor: pointer; padding: 0 4px; }
.lnk:hover { text-decoration: underline; }
.lnk-del { color: var(--red); }

/* ---------- Format ---------- */
.form-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 8px; }
.fld { display: flex; flex-direction: column; gap: 5px; min-width: 130px; }
.fld-grow { flex: 1; min-width: 190px; }
.fld-btn { justify-content: flex-end; }
label { font-size: .82rem; font-weight: 600; color: var(--ink-soft); }
input, select, textarea {
    font: inherit; padding: 9px 11px; border: 1px solid #cbd5e1;
    border-radius: 7px; background: #fff; color: var(--ink); width: 100%;
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid rgba(31,58,95,.35); outline-offset: 1px; border-color: var(--navy);
}
.in-s { max-width: 110px; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- Butonat ---------- */
.btn {
    display: inline-block; background: var(--navy); color: #fff; border: none;
    padding: 10px 18px; border-radius: 7px; font: inherit; font-weight: 600;
    cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { background: var(--navy-dark); }
.btn-sec { background: #e8edf3; color: var(--navy); }
.btn-sec:hover { background: #dbe3ec; }
.btn-full { width: 100%; margin-top: 14px; }

/* ---------- Alertet ---------- */
.alert { border-radius: 7px; padding: 11px 14px; margin-bottom: 16px; font-size: .93rem; }
.alert-ok { background: var(--green-soft); color: var(--green); border: 1px solid #bfe5d2; }
.alert-err { background: var(--red-soft); color: var(--red); border: 1px solid #f2c6c1; }

/* ---------- Meta e faturës ---------- */
.fatura-meta { display: grid; gap: 10px; }
.fatura-meta > div { display: grid; grid-template-columns: 130px 1fr; gap: 10px; }
.meta-l { color: var(--ink-soft); font-size: .86rem; font-weight: 600; }

/* ---------- Login ---------- */
.login-body {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 70%);
    padding: 20px;
}
.login-box {
    background: var(--white); border-radius: 14px; padding: 34px 32px;
    width: 100%; max-width: 380px; box-shadow: 0 18px 50px rgba(0,0,0,.3);
    text-align: center;
}
.login-logo {
    width: 52px; height: 52px; margin: 0 auto 12px; border-radius: 12px;
    background: var(--navy); color: #f0b429; font-size: 1.5rem; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
}
.login-box h1 { font-size: 1.35rem; }
.login-sub { color: var(--ink-soft); font-size: .9rem; margin: 4px 0 20px; }
.login-box form { text-align: left; display: grid; gap: 8px; }

/* ---------- Responsiv ---------- */
@media (max-width: 640px) {
    .arka-vlera { font-size: 2rem; }
    .tbl { display: block; overflow-x: auto; white-space: nowrap; }
    .fatura-meta > div { grid-template-columns: 1fr; gap: 2px; }
    .nav a { padding: 12px 8px; font-size: .86rem; }
}