:root {
    --spark-yellow: #fdca58;
    --ink: #1a1a1a;
    --ink-light: #4b4b4b;
    --bg: #f6f5f1;
    --card: #ffffff;
    --border: #e3e1d8;
}

* { box-sizing: border-box; }

body.app-body {
    margin: 0;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #fff6da, #f6f5f1 40%);
    color: var(--ink);
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: #ffffffdd;
    backdrop-filter: blur(6px);
}

.logo img { height: 36px; }

.nav a {
    margin-right: 16px;
    text-decoration: none;
    color: var(--ink);
    font-weight: 600;
}

.logout-form { display: inline; }

.logout-form button {
    background: none;
    border: none;
    color: var(--ink);
    font-weight: 600;
    cursor: pointer;
}

.app-main { padding: 24px; max-width: 1100px; margin: 0 auto; }

.card {
    background: var(--card);
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 16px;
}

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }

.btn {
    background: var(--spark-yellow);
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--ink);
    padding: 8px 14px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

input, select, textarea {
    width: 100%;
    padding: 8px 10px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
}

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px; border-bottom: 1px solid var(--border); text-align: left; }

.chat { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }

.bubble {
    background: #fff;
    border: 1px solid var(--border);
    padding: 10px 12px;
    border-radius: 10px;
}

.bubble.internal { background: #fff3c4; }

.meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-light); margin-bottom: 6px; }

.tag { font-weight: 700; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }

.flash { background: #e8ffe2; padding: 10px; border: 1px solid #c1e9b8; border-radius: 8px; margin-bottom: 12px; }

.errors { background: #ffe2e2; padding: 10px; border: 1px solid #f0b3b3; border-radius: 8px; margin-bottom: 12px; }

.empty { color: var(--ink-light); }

.stats { display: flex; gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px 16px; }

.ai-output { margin-top: 8px; background: #fff7e0; padding: 10px; border-radius: 8px; border: 1px solid var(--border); }

.asset-tag {
    width: 220px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
}
.asset-top { background: var(--spark-yellow); text-align: center; font-weight: 700; padding: 6px; }
.asset-bottom { text-align: center; font-weight: 800; font-size: 20px; padding: 12px; }
@media (max-width: 720px) {
    .app-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .nav a { display: inline-block; margin-bottom: 8px; }
}