:root{
            --ink:        #101B30;
            --ink-line:   #26375A;
            --paper:      #FBF8F2;
            --paper-line: #E7E0D2;
            --gold:       #C9963B;
            --gold-dim:   #a97c2c;
            --text:       #1C2430;
            --muted:      #6E7180;
            --error:      #B4483A;

            --font-display: 'Fraunces', Georgia, serif;
            --font-body: 'Inter', -apple-system, sans-serif;
            --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
        }

        *{ box-sizing: border-box; }
        html,body{ height:100%; }
        body{
            margin:0;
            font-family: var(--font-body);
            color: var(--text);
            background: var(--paper);
        }

        .screen{
            min-height: 100vh;
            display: grid;
            grid-template-columns: 1.05fr 1fr;
        }

        /* ---------- Left: ink / ledger panel ---------- */
        .ink-panel{
            position: relative;
            background: var(--ink);
            background-image: repeating-linear-gradient(
                to bottom,
                transparent 0px,
                transparent 43px,
                var(--ink-line) 43px,
                var(--ink-line) 44px
            );
            color: var(--paper);
            display:flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 3.2rem 3.4rem;
            overflow: hidden;
        }

        .ink-panel::after{
            /* soft vignette so ledger lines fade at the edges */
            content:"";
            position:absolute; inset:0;
            background: radial-gradient(120% 90% at 15% 10%, rgba(16,27,48,0) 0%, rgba(16,27,48,0.55) 70%, var(--ink) 100%);
            pointer-events:none;
        }

        .eyebrow{
            font-family: var(--font-mono);
            font-size: 0.72rem;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--gold);
            position: relative;
            z-index: 1;
        }

        .eyebrow span{ color: rgba(251,248,242,0.55); }

        .wordmark{
            position: relative;
            z-index: 1;
        }

        .wordmark h1{
            font-family: var(--font-display);
            font-weight: 600;
            font-size: clamp(2.6rem, 4.2vw, 3.6rem);
            line-height: 1.05;
            margin: 0.6rem 0 0.9rem;
            letter-spacing: -0.01em;
        }

        .wordmark p{
            font-size: 1rem;
            max-width: 30ch;
            color: rgba(251,248,242,0.68);
            line-height: 1.55;
            margin: 0;
        }

        .seal{
            position: relative;
            z-index: 1;
            display:flex;
            align-items:center;
            gap: 0.9rem;
            font-family: var(--font-mono);
            font-size: 0.72rem;
            color: rgba(251,248,242,0.55);
            letter-spacing: 0.06em;
        }

        .seal svg{ flex: none; }
        .seal-ring{
            transform-origin: 50% 50%;
            animation: spin 22s linear infinite;
        }
        @media (prefers-reduced-motion: reduce){
            .seal-ring{ animation: none; }
        }
        @keyframes spin{ to{ transform: rotate(360deg); } }

        /* ---------- Right: paper / form panel ---------- */
        .paper-panel{
            display:flex;
            align-items:center;
            justify-content:center;
            padding: 2rem;
            background: var(--paper);
        }

        .card{
            width:100%;
            max-width: 380px;
        }

        .card-head{ margin-bottom: 2.1rem; }

        .card-head h2{
            font-family: var(--font-display);
            font-weight: 600;
            font-size: 1.9rem;
            margin: 0 0 0.35rem;
            color: var(--text);
        }

        .card-head p{
            margin:0;
            color: var(--muted);
            font-size: 0.92rem;
        }

        label{
            display:block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.4rem;
        }

        .field{ margin-bottom: 1.1rem; }

        .field-control{ position: relative; }

        input[type="text"],
        input[type="password"]{
            width: 100%;
            font-family: var(--font-body);
            font-size: 0.96rem;
            padding: 0.78rem 0.9rem;
            border: 1.5px solid var(--paper-line);
            border-radius: 8px;
            background: #fff;
            color: var(--text);
            outline: none;
            transition: border-color 0.15s ease, box-shadow 0.15s ease;
        }

        input[type="text"]::placeholder,
        input[type="password"]::placeholder{ color: #A9A398; }

        input[type="text"]:focus,
        input[type="password"]:focus{
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201,150,59,0.18);
        }

        .toggle-pass{
            position:absolute;
            right: 0.7rem;
            top: 50%;
            transform: translateY(-50%);
            background:none;
            border:none;
            padding: 0.2rem;
            cursor:pointer;
            color: var(--muted);
            display:flex;
        }
        .toggle-pass:hover{ color: var(--text); }

        .row-between{
            display:flex;
            justify-content: flex-end;
            margin: -0.4rem 0 1.4rem;
        }
        .link-quiet{
            font-size: 0.82rem;
            color: var(--muted);
            text-decoration: none;
            border-bottom: 1px solid transparent;
        }
        .link-quiet:hover{ color: var(--text); border-bottom-color: var(--paper-line); }

        button#myButton{
            width:100%;
            font-family: var(--font-body);
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--paper);
            background: var(--ink);
            border: none;
            border-radius: 8px;
            padding: 0.85rem 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
            transition: background 0.15s ease, transform 0.05s ease;
        }
        button#myButton:hover{ background: #1a2c4d; }
        button#myButton:active{ transform: scale(0.98); }

        button#myButton .stamp-icon{
            transition: transform 0.28s cubic-bezier(.34,1.56,.64,1);
        }
        button#myButton.stamping .stamp-icon{
            transform: scale(0.8) rotate(-8deg);
        }

        .helper-msg{
            margin-top: 0.9rem;
            font-size: 0.82rem;
            color: var(--error);
            min-height: 1.1em;
            text-align: center;
        }

        .foot-note{
            margin-top: 2.4rem;
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--muted);
            letter-spacing: 0.04em;
            text-align: center;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 880px){
            .screen{ 
                display: flex; 
                flex-direction: column; 
                min-height: 100vh;
            }
            .ink-panel{
                padding: 1.5rem;
                background-image: none;
                flex: none;
            }
            .ink-panel::after {
                display: none;
            }
            .eyebrow {
                margin-bottom: 0.5rem;
                font-size: 0.65rem;
            }
            .wordmark h1{ 
                font-size: 2rem; 
                margin: 0; 
            }
            .wordmark p{ 
                font-size: 0.9rem;
                margin-top: 0.4rem;
            }
            .seal{ display:none; }
            .paper-panel{ 
                padding: 2rem 1rem 3rem; 
                flex: 1;
                align-items: flex-start;
            }
            .card {
                margin-top: 1rem;
            }
        }