/* ===== Shared styles — Shopee Accounting Tools Web App ===== */
:root {
  --blue-dark: #0d47a1;
  --blue: #1565c0;
  --blue-light: #e3f2fd;
  --green: #2e7d32;
  --amber: #f9a825;
  --red: #c62828;
  --gray-bg: #f4f6f9;
  --gray-border: #dde3ea;
  --text-main: #1a1a2e;
  --text-sub: #5c6b7a;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Sarabun', 'Segoe UI', sans-serif;
  background: var(--gray-bg);
  color: var(--text-main);
  min-height: 100vh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Top bar ---- */
.topbar {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.topbar .brand { font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.topbar .user-info { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.topbar .badge {
  background: rgba(255,255,255,.18);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.topbar .badge.member { background: var(--amber); color: #4a3500; }
.topbar button.link-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,.5);
  color: #fff;
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
.topbar button.link-btn:hover { background: rgba(255,255,255,.15); }

/* ---- Layout ---- */
.wrap { max-width: 1080px; margin: 0 auto; padding: 32px 20px 60px; }
.center-wrap { max-width: 420px; margin: 60px auto; padding: 0 20px; }

/* ---- Card ---- */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 2px 14px rgba(20,40,80,.08);
  border: 1px solid var(--gray-border);
  padding: 28px;
}
.card-ttl { font-size: 20px; font-weight: 700; margin: 0 0 6px; color: var(--blue-dark); }
.card-sub { font-size: 14px; color: var(--text-sub); margin: 0 0 20px; }

/* ---- Forms ---- */
label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 6px; color: var(--text-main); }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--gray-border);
  border-radius: 9px;
  font-size: 14px;
  font-family: inherit;
  background: #fafbfc;
}
input:focus { outline: none; border-color: var(--blue); background: #fff; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 9px;
  border: none;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--blue); color: #fff; width: 100%; margin-top: 18px; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-primary:disabled { background: #9fb6d4; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.btn-amber { background: var(--amber); color: #4a3500; }
.btn-amber:hover { filter: brightness(0.95); }

.form-msg { font-size: 13px; margin-top: 12px; padding: 10px 12px; border-radius: 8px; display: none; }
.form-msg.show { display: block; }
.form-msg.error { background: #fdecea; color: var(--red); }
.form-msg.success { background: #eaf6ec; color: var(--green); }

.switch-mode { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-sub); }

/* ---- Module grid ---- */
.section-ttl { font-size: 22px; font-weight: 700; margin: 0 0 4px; color: var(--blue-dark); }
.section-sub { font-size: 14px; color: var(--text-sub); margin: 0 0 24px; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 18px;
}
.tool-card {
  background: #fff;
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  transition: box-shadow .15s, transform .15s;
}
.tool-card.unlocked { cursor: pointer; }
.tool-card.unlocked:hover { box-shadow: 0 6px 20px rgba(20,40,80,.12); transform: translateY(-2px); }
.tool-card .icon { font-size: 30px; margin-bottom: 10px; }
.tool-card h3 { font-size: 16px; margin: 0 0 6px; color: var(--text-main); }
.tool-card p { font-size: 13px; color: var(--text-sub); margin: 0; line-height: 1.5; }
.tool-card .tag {
  position: absolute; top: 18px; right: 18px;
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px;
}
.tool-card .tag.free { background: var(--blue-light); color: var(--blue-dark); }
.tool-card .tag.locked { background: #f1f1f1; color: var(--text-sub); }
.tool-card.locked { opacity: .65; }
.tool-card.locked::after { content: "🔒"; position: absolute; bottom: 18px; right: 18px; font-size: 16px; }

.banner {
  background: var(--blue-light);
  border: 1px solid #b9d8f7;
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.banner.member { background: #fff8e1; border-color: #ffe0a3; }
.banner strong { color: var(--blue-dark); }

/* ---- Upgrade page ---- */
.price-box {
  text-align: center;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 30px;
  margin-bottom: 24px;
}
.price-box .price { font-size: 42px; font-weight: 800; }
.price-box .price small { font-size: 16px; font-weight: 500; opacity: .85; }

.steps { padding-left: 20px; line-height: 1.9; font-size: 14px; }
.payinfo {
  background: var(--gray-bg);
  border: 1px dashed var(--gray-border);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 14px;
  margin: 16px 0;
}
.payinfo b { color: var(--blue-dark); }

.footer-note { text-align: center; font-size: 12px; color: var(--text-sub); margin-top: 30px; }