/* ===========================================================================
   AccessNow — central identity
   Theme variables follow the same shape as Taikai's, so patterns transfer.
   =========================================================================== */

:root,
[data-theme="light"] {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --danger-color:  #dc2626;
    --danger-hover:  #b91c1c;
    --success-color: #16a34a;
    --warning-color: #d97706;
    --bg-color:      #f8fafc;
    --text-color:    #1e293b;
    --heading-color: #0f172a;
    --card-bg:       #ffffff;
    --border-color:  #e2e8f0;
    --input-bg:      #ffffff;
    --input-border:  #cbd5e1;
    --muted-text:    #64748b;
    --topbar-bg:     #ffffff;
    --hover-bg:      #f1f5f9;
    --shadow:        0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .04);
}

[data-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --danger-color:  #ef4444;
    --danger-hover:  #f87171;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --bg-color:      #0f172a;
    --text-color:    #e2e8f0;
    --heading-color: #f1f5f9;
    --card-bg:       #1e293b;
    --border-color:  #334155;
    --input-bg:      #0f172a;
    --input-border:  #475569;
    --muted-text:    #94a3b8;
    --topbar-bg:     #0b1120;
    --hover-bg:      #263449;
    --shadow:        0 1px 3px rgba(0, 0, 0, .4);
}

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--heading-color); margin: 0 0 .5rem; line-height: 1.25; }
h1 { font-size: 1.6rem; font-weight: 700; }
h2 { font-size: 1.15rem; font-weight: 600; }

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background: var(--bg-color); color: var(--text-color); line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
body.centered { display: grid; place-items: center; min-height: 100vh; padding: 1.5rem; }

h1,h2 { color: var(--heading-color); margin: 0 0 .5rem; line-height: 1.25; }
h1 { font-size: 1.5rem; font-weight: 700; }
h2 { font-size: 1.05rem; font-weight: 600; }
a { color: var(--primary-color); text-decoration: none; }
a:hover { color: var(--primary-hover); }
.muted { color: var(--muted-text); }

.auth-shell { width: 100%; max-width: 24rem; }
.container { max-width: 44rem; margin: 0 auto; padding: 1.5rem; display: grid; gap: 1.25rem; }

.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.05rem;
    color: var(--heading-color); margin-bottom: 1rem; justify-content: center; }
.brand-mark { display: grid; place-items: center; width: 1.75rem; height: 1.75rem;
    border-radius: .5rem; background: var(--primary-color); color: #fff; font-size: .85rem; }

.topbar { display: flex; align-items: center; gap: 1.5rem; padding: .75rem 1.5rem;
    background: var(--topbar-bg); border-bottom: 1px solid var(--border-color); }
.topbar .brand { margin: 0; }
.topnav { flex: 1; display: flex; gap: 1rem; }
.topnav a { color: var(--muted-text); font-weight: 500; }
.topnav a:hover { color: var(--heading-color); }

.card { background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: .75rem; padding: 1.5rem; box-shadow: var(--shadow); }

.flash { padding: .7rem 1rem; border-radius: .5rem; margin-bottom: 1rem;
    border: 1px solid transparent; font-weight: 500; font-size: .9rem; }
.flash-success { background: color-mix(in srgb, var(--success-color) 12%, transparent); border-color: var(--success-color); }
.flash-error { background: color-mix(in srgb, var(--danger-color) 12%, transparent); border-color: var(--danger-color); }

.btn { display: inline-flex; align-items: center; justify-content: center;
    padding: .55rem 1rem; border-radius: .5rem; border: 1px solid transparent;
    font: inherit; font-weight: 600; font-size: .9rem; cursor: pointer; }
.btn-primary { background: var(--primary-color); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-color); border-color: var(--border-color); }
.btn-ghost:hover { background: var(--hover-bg); color: var(--text-color); }
.btn-block { width: 100%; }
.btn-sm { padding: .35rem .7rem; font-size: .82rem; }

input[type=text],input[type=email],input[type=password] {
    width: 100%; padding: .55rem .7rem; background: var(--input-bg); color: var(--text-color);
    border: 1px solid var(--input-border); border-radius: .5rem; font: inherit; font-size: .92rem; }
input:focus { outline: 2px solid color-mix(in srgb, var(--primary-color) 40%, transparent);
    outline-offset: 1px; border-color: var(--primary-color); }

.form { display: flex; flex-direction: column; gap: .9rem; margin-top: 1.1rem; }
.form label { display: flex; flex-direction: column; gap: .3rem; }
.form label > span { font-size: .8rem; font-weight: 600; color: var(--muted-text); }
.form label > small { font-size: .76rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.form-actions { display: flex; gap: .5rem; margin-top: .3rem; }

.auth-links { margin: 1.1rem 0 0; text-align: center; font-size: .87rem; }
.auth-links .sep { color: var(--muted-text); margin: 0 .4rem; }
.footnote { text-align: center; font-size: .8rem; margin-top: 1rem; }

.plain-list { list-style: none; margin: .5rem 0 0; padding: 0; display: grid; gap: .5rem; font-size: .88rem; }
.plain-list li { padding-bottom: .5rem; border-bottom: 1px solid var(--border-color); }
.plain-list li:last-child { border-bottom: none; }

.pill { display: inline-block; padding: .1rem .5rem; border-radius: 99px; font-size: .7rem; font-weight: 600; }
.pill-warn { background: color-mix(in srgb, var(--warning-color) 18%, transparent); color: var(--warning-color); }

.dev-note { margin-top: 1rem; padding: .75rem; border: 1px dashed var(--warning-color);
    border-radius: .5rem; font-size: .82rem; word-break: break-all; }

.page-head { margin-bottom: .25rem; }

@media (max-width: 767px) { .form-row { grid-template-columns: 1fr; } }