/* Login sayfasi (templates/login.html) — Faz 4 ilk extraction. */

:root {
    --bg: #f6f1e8;
    --panel: rgba(255, 255, 255, 0.92);
    --ink: #1f2937;
    --muted: #64748b;
    --brand: #0f766e;
    --brand-dark: #115e59;
    --line: rgba(15, 23, 42, 0.1);
    --danger: #b91c1c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, sans-serif;
    background:
        radial-gradient(circle at top, rgba(15, 118, 110, 0.18), transparent 30%),
        radial-gradient(circle at bottom right, rgba(194, 65, 12, 0.12), transparent 24%),
        linear-gradient(135deg, #f8f3ea 0%, #eef8f6 100%);
    color: var(--ink);
    display: grid;
    place-items: center;
    padding: 20px;
}

.auth-shell {
    width: min(980px, 100%);
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 22px;
    align-items: stretch;
}

.intro, .panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: 0 18px 55px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(10px);
}

.intro {
    padding: 34px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.eyebrow {
    display: inline-flex;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.12);
    color: var(--brand-dark);
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 18px;
}

h1 {
    margin: 0 0 16px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1;
}

.intro p {
    color: var(--muted);
    line-height: 1.7;
    margin: 0 0 22px;
}

.checklist {
    display: grid;
    gap: 12px;
}

.checklist div {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(248, 250, 252, 0.9);
    border: 1px solid var(--line);
}

.panel {
    padding: 30px;
}

.panel h2 {
    margin: 0 0 8px;
    font-size: 1.6rem;
}

.panel p {
    margin: 0 0 22px;
    color: var(--muted);
    line-height: 1.6;
}

.alert {
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(185, 28, 28, 0.08);
    color: var(--danger);
    border: 1px solid rgba(185, 28, 28, 0.14);
    margin-bottom: 18px;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.field { margin-bottom: 16px; }

input {
    width: 100%;
    padding: 14px 15px;
    border-radius: 14px;
    border: 1px solid rgba(100, 116, 139, 0.24);
    font-size: 15px;
    background: #fff;
}

input:focus {
    outline: none;
    border-color: rgba(15, 118, 110, 0.45);
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

button {
    width: 100%;
    border: 0;
    border-radius: 16px;
    padding: 15px 18px;
    font-size: 15px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(15, 118, 110, 0.2);
}

.note {
    margin-top: 16px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.note strong { color: var(--ink); }

.back-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--brand-dark);
    text-decoration: none;
    font-weight: 700;
}

@media (max-width: 900px) {
    .auth-shell { grid-template-columns: 1fr; }
}