:root {
    --bg: #f4efe5;
    --panel: #fffaf0;
    --panel-strong: #f7ead4;
    --line: #d9ceb9;
    --ink: #1f1c17;
    --muted: #6b655a;
    --accent: #0f766e;
    --accent-soft: #d7efe8;
    --shadow: 0 18px 40px rgba(60, 45, 20, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(201, 106, 53, 0.16), transparent 22%),
        linear-gradient(180deg, #faf6ef 0%, var(--bg) 100%);
    font: 14px/1.45 "Segoe UI", Arial, sans-serif;
}

a {
    color: inherit;
}

.shell {
    max-width: 1440px;
    margin: 0 auto;
    padding: 28px 18px 40px;
}

.hero,
.section,
.summary-card,
.login-card,
.panel,
.metric-card,
.top-table {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.login-card {
    width: min(480px, 100%);
    padding: 30px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 250, 240, 0.98)),
        var(--panel);
}

.login-card h2 {
    margin: 0 0 10px;
    font-size: clamp(28px, 3vw, 34px);
    line-height: 1.08;
}

.login-card > p {
    margin: 0 0 18px;
    color: var(--muted);
}

.login-card form {
    margin-top: 8px;
}

.login-card .btn,
.login-card button[type="submit"] {
    width: 100%;
    justify-content: center;
}

.hero {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    padding: 22px;
    margin-bottom: 18px;
}

.hero h1 {
    margin: 0 0 8px;
    font-size: clamp(28px, 3vw, 40px);
    line-height: 1.05;
}

.hero p {
    margin: 0;
    color: var(--muted);
    max-width: 760px;
}

.hero-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-note {
    display: inline-flex;
    align-items: center;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.76);
    color: var(--muted);
    font-size: 13px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--line);
    text-decoration: none;
    font-weight: 600;
    transition: transform 120ms ease;
}

.btn:hover,
button:hover {
    transform: translateY(-1px);
}

.btn-primary {
    color: white;
    border-color: transparent;
    background: var(--accent);
}

.btn-secondary {
    background: var(--accent-soft);
}

@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        align-items: flex-start;
    }

    .login-card {
        padding: 24px;
    }
}

@media (max-width: 640px) {
    .login-card {
        padding: 20px;
    }
}