/* ============================================================
   星時電子 — 共用帳號頁（登入 / 註冊），沿用站台暖色系
   ============================================================ */

:root {
    --bg-cream:        #faf9f5;
    --bg-warm:         #f4f3ee;
    --bg-card:         #ffffff;
    --border-soft:     #e8e6dc;
    --border-hover:    #d4d1c5;
    --text-primary:    #1a1915;
    --text-secondary:  #5a5750;
    --text-muted:      #8a877f;
    --accent:          #cc785c;
    --accent-hover:    #b8694e;
    --accent-soft:     #f3e7e0;
    --danger:          #b5533f;
    --danger-bg:       #fbeee9;
    --max-width:       1100px;
    --radius-sm:       8px;
    --radius-md:       14px;
    --radius-lg:       20px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
    font-family: "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-cream);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; transition: color .2s ease, opacity .2s ease; }

h1, h2, h3 {
    font-family: "Noto Serif TC", "Songti TC", "PingFang TC", Georgia, serif;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.01em;
}

/* ============ Navigation ============ */
.nav {
    position: sticky; top: 0; z-index: 100;
    background-color: rgba(250, 249, 245, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
    max-width: var(--max-width); margin: 0 auto;
    padding: 16px 28px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { font-size: 15px; color: var(--text-secondary); font-weight: 500; }
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
    background-color: var(--text-primary); color: var(--bg-cream) !important;
    padding: 9px 18px; border-radius: 999px; font-size: 14px !important; font-weight: 500;
    transition: background-color .2s ease;
}
.nav-cta:hover { background-color: #000; }

/* ============ Auth card ============ */
.auth-wrap {
    flex: 1;
    display: flex; align-items: center; justify-content: center;
    padding: 64px 20px;
    background: linear-gradient(180deg, var(--bg-cream) 0%, var(--bg-warm) 100%);
}
.auth-card {
    width: 100%; max-width: 420px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: 0 20px 50px -30px rgba(26, 25, 21, 0.28);
}
.auth-eyebrow {
    display: inline-block; font-size: 12px; font-weight: 500; color: var(--accent);
    letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px;
    padding: 5px 13px; border: 1px solid var(--accent); border-radius: 999px;
    background-color: var(--accent-soft);
}
.auth-card h1 { font-size: 30px; font-weight: 500; }
.auth-card form { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.auth-field label {
    display: block; font-size: 12px; color: var(--text-muted);
    letter-spacing: 0.03em; margin-bottom: 6px;
}

.fld {
    width: 100%; border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
    padding: 11px 13px; font-size: 15px; font-family: inherit; color: var(--text-primary);
    background-color: var(--bg-card); transition: border-color .2s ease, box-shadow .2s ease;
}
.fld:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.auth-error {
    margin-top: 18px; padding: 11px 14px; border-radius: var(--radius-sm);
    background-color: var(--danger-bg); border: 1px solid #efd3c9;
    color: var(--danger); font-size: 13.5px;
}
.auth-note {
    margin-top: 18px; padding: 11px 14px; border-radius: var(--radius-sm);
    background-color: var(--accent-soft); border: 1px solid #e7d2c8;
    color: var(--accent-hover); font-size: 13.5px; line-height: 1.6;
}
.auth-alt { margin-top: 20px; font-size: 13.5px; color: var(--text-secondary); text-align: center; }
.auth-alt a { color: var(--accent-hover); font-weight: 500; }
.auth-alt a:hover { text-decoration: underline; }

/* ============ Buttons ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 22px; border-radius: 999px; font-size: 14.5px; font-weight: 500;
    font-family: inherit; border: 1px solid transparent; cursor: pointer; transition: all .18s ease;
}
.btn-primary { background-color: var(--accent); color: #fff; }
.btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-1px); }
.btn-block { width: 100%; }

/* ============ Footer ============ */
.footer { background-color: var(--text-primary); color: #cdcabe; padding: 48px 28px 28px; }
.footer-inner {
    max-width: var(--max-width); margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-inner h3 { color: #fff; font-size: 22px; margin: 0; font-weight: 500; }
.footer-inner span { color: #6b6862; font-size: 12.5px; }

@media (max-width: 600px) {
    .nav-links a:not(.nav-cta) { display: none; }
    .auth-card { padding: 32px 24px; }
}