@font-face { font-family:'Silkscreen'; font-weight:400; src:url('../fonts/silkscreen-400.ttf') format('truetype'); }
@font-face { font-family:'Silkscreen'; font-weight:700; src:url('../fonts/silkscreen-700.ttf') format('truetype'); }
@font-face { font-family:'JetBrains Mono'; font-weight:400; src:url('../fonts/jetbrains-mono-400.ttf') format('truetype'); }

:root {
    --bg:#1e293b; --surface:#273349; --raised:#2e3d56; --border:#384a64;
    --dim:#64748b; --muted:#94a3b8; --text:#cbd5e1; --bright:#f1f5f9;
    --accent:#38bdf8; --accent2:#818cf8; --danger:#fb7185;
    --pixel:'Silkscreen', cursive;
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family:'JetBrains Mono', monospace;
    background:var(--bg); color:var(--text);
    min-height:100dvh; display:flex; flex-direction:column;
}
.pixel { font-family:var(--pixel); }
.hidden { display:none !important; }
.shrink { flex-shrink:0; }

/* ── Header ── */
header {
    padding:12px 20px; border-bottom:1px solid var(--border);
    display:flex; align-items:center; gap:12px; flex-shrink:0;
    background:var(--surface);
}
header h1 { font-family:var(--pixel); font-size:14px; color:var(--accent); }
header .dot {
    width:8px; height:8px; border-radius:50%;
    background:var(--accent); animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }
header .spacer { flex:1; }
header .user {
    font-family:var(--pixel); font-size:10px; color:var(--muted);
    display:flex; align-items:center; gap:6px;
}
header .user .badge {
    background:var(--accent); color:var(--bg);
    /* Match the .nav-btn box-model exactly so the badge sits flush with
       the header buttons instead of being a tiny pill in the middle. */
    padding:5px 10px; font-size:9px;
    border:1px solid var(--accent); border-radius:3px;
    line-height:1; font-family:var(--pixel);
}
header .nav-btn {
    background:none; border:1px solid var(--border); color:var(--muted);
    cursor:pointer; padding:5px 10px;
    font-family:var(--pixel); font-size:9px; border-radius:3px;
    transition:all .15s;
}
header .nav-btn:hover { color:var(--accent); border-color:var(--accent); }
header .nav-btn.active { background:var(--accent); color:var(--bg); border-color:var(--accent); }
header .nav-btn.danger:hover { color:var(--danger); border-color:var(--danger); }

/* ── Layouts ── */
main {
    flex:1; display:flex; flex-direction:column;
    padding:20px; gap:16px; max-width:920px; width:100%;
    margin:0 auto;
}
@media (max-width: 600px) { main { padding:12px; gap:12px; } }

.auth-form {
    display:flex; flex-direction:column; align-items:center;
    padding:48px 24px; gap:14px; max-width:380px; margin:0 auto;
}
.auth-form h2 { font-family:var(--pixel); font-size:13px; color:var(--accent); margin-bottom:4px; }
.auth-form p { font-size:11px; color:var(--muted); text-align:center; line-height:1.5; }
.auth-form .field { width:100%; }
.auth-form .field label {
    font-family:var(--pixel); font-size:9px; color:var(--dim);
    text-transform:uppercase; display:block; margin-bottom:4px;
}
.auth-form input {
    width:100%; background:var(--surface); border:1px solid var(--border);
    color:var(--bright); padding:9px 12px; font-size:13px;
    font-family:'JetBrains Mono', monospace; border-radius:3px;
}
.auth-form input:focus { border-color:var(--accent); outline:none; }
.auth-form .btn { width:100%; }
.auth-form .err {
    font-family:var(--pixel); font-size:9px; color:var(--danger);
    min-height:11px; text-align:center;
}

/* ── Buttons ── */
.btn {
    padding:10px 18px; border:none; border-radius:3px;
    font-family:var(--pixel); font-size:11px; cursor:pointer;
    transition:all .15s;
}
.btn:active { opacity:.7; }
.btn-primary { background:var(--accent); color:var(--bg); }
.btn-primary:hover { filter:brightness(1.1); }
.btn-secondary { background:transparent; border:1px solid var(--border); color:var(--muted); }
.btn-secondary:hover { color:var(--accent); border-color:var(--accent); }
.btn-danger { background:transparent; border:1px solid var(--danger); color:var(--danger); }
.btn-danger:hover { background:var(--danger); color:var(--bg); }

/* ── Compose view ── */
#view-compose:not(.hidden) {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.compose-card {
    background:var(--surface); border:1px solid var(--border);
    border-radius:4px; padding:16px;
    display:flex; flex-direction:column; gap:10px;
}
.compose-card h2 {
    font-family:var(--pixel); font-size:11px; color:var(--accent);
    text-transform:uppercase;
}
.compose-card .field { display:flex; flex-direction:column; gap:4px; }
.compose-card .field label {
    font-family:var(--pixel); font-size:9px; color:var(--dim);
    text-transform:uppercase;
}
.compose-card input, .compose-card select, .compose-card textarea {
    background:var(--bg); border:1px solid var(--border); color:var(--bright);
    padding:8px 10px; font-size:13px;
    font-family:'JetBrains Mono', monospace; border-radius:3px;
}
.compose-card input:focus, .compose-card select:focus, .compose-card textarea:focus {
    border-color:var(--accent); outline:none;
}
.compose-card textarea { min-height:140px; resize:vertical; line-height:1.55; }
.compose-card .actions { display:flex; gap:8px; align-items:center; }
.compose-card .actions .spacer { flex:1; }
.compose-card .status { font-family:var(--pixel); font-size:9px; color:var(--dim); }
.compose-card .status.ok { color:var(--accent); }
.compose-card .status.err { color:var(--danger); }

/* ── Inbox + admin lists ── */
.section {
    background:var(--surface); border:1px solid var(--border);
    border-radius:4px; padding:16px;
}
.section h2 {
    font-family:var(--pixel); font-size:11px; color:var(--accent);
    text-transform:uppercase; margin-bottom:10px;
    display:flex; align-items:center; gap:8px;
}
.section h2 .count {
    background:var(--bg); padding:2px 6px; border-radius:2px;
    font-size:9px; color:var(--muted);
}
.section .empty { font-size:11px; color:var(--dim); font-style:italic; padding:8px 0; }

.inbox-item {
    display:flex; align-items:flex-start; gap:10px;
    padding:10px 0; border-bottom:1px solid var(--border);
}
.inbox-item:last-child { border-bottom:none; }
.inbox-item .meta {
    font-family:var(--pixel); font-size:9px; color:var(--dim);
    white-space:nowrap; flex-shrink:0;
}
.inbox-item .content { flex:1; min-width:0; }
.inbox-item .content .title {
    font-size:12px; color:var(--bright); font-weight:bold;
    margin-bottom:2px; word-break:break-word;
}
.inbox-item .content .body {
    font-size:11px; color:var(--text); white-space:pre-wrap;
    word-break:break-word; max-height:120px; overflow:auto;
}
.inbox-item .from { font-family:var(--pixel); font-size:9px; color:var(--accent2); }
.inbox-item .del {
    background:none; border:none; color:var(--dim); cursor:pointer;
    padding:4px; font-size:14px; flex-shrink:0;
}
.inbox-item .del:hover { color:var(--danger); }

.user-row {
    display:flex; align-items:center; gap:12px;
    padding:10px 0; border-bottom:1px solid var(--border);
}
.user-row:last-child { border-bottom:none; }
.user-row .info { flex:1; }
.user-row .name { font-family:var(--pixel); font-size:11px; color:var(--bright); }
.user-row .meta { font-size:10px; color:var(--muted); margin-top:2px; }
.user-row .badge {
    background:var(--accent); color:var(--bg);
    padding:1px 6px; font-family:var(--pixel); font-size:8px;
    text-transform:uppercase; border-radius:2px;
}
.user-row .actions { display:flex; gap:6px; }
.user-row .actions .btn { padding:4px 10px; font-size:9px; }

.create-user-form {
    display:flex; flex-direction:column; gap:10px;
    padding-top:14px; border-top:1px solid var(--border); margin-top:14px;
}
.create-user-form .field-label {
    font-family:var(--pixel); font-size:9px; color:var(--dim);
    text-transform:uppercase; display:block; margin-bottom:4px;
}
.create-user-form input[type="text"],
.create-user-form input[type="password"] {
    width:100%;
    background:var(--bg); border:1px solid var(--border); color:var(--bright);
    padding:8px 11px; font-size:12px;
    font-family:'JetBrains Mono', monospace; border-radius:3px;
}
.create-user-form input:focus { border-color:var(--accent); outline:none; }
.create-user-form label.checkbox {
    font-family:var(--pixel); font-size:9px; color:var(--dim);
    text-transform:uppercase;
    display:flex; align-items:center; gap:6px; cursor:pointer;
}
.create-user-form label.checkbox input[type="checkbox"] {
    accent-color:var(--accent); cursor:pointer;
}
.create-user-form .actions {
    display:flex; gap:8px; align-items:center;
    margin-top:4px;
}

.toast {
    position:fixed; top:20px; right:20px;
    background:var(--accent); color:var(--bg);
    padding:10px 18px; border-radius:3px;
    font-family:var(--pixel); font-size:11px;
    opacity:0; transition:opacity .3s; z-index:100; pointer-events:none;
}
.toast.show { opacity:1; }
.toast.err { background:var(--danger); }

.notice { padding:10px 14px; border-radius:3px; font-size:11px; margin-bottom:12px; }
.notice.info { background:rgba(56,189,248,0.1); border:1px solid var(--accent); color:var(--accent); }
.notice.warn { background:rgba(251,113,133,0.1); border:1px solid var(--danger); color:var(--danger); }

/* ── Phosphor icons ── */
.ph { display:inline-block; vertical-align:-2px; }
header .nav-btn .ph { font-size:11px; vertical-align:-1px; margin-right:2px; }
header h1 + .ph { font-size:12px; }
.btn .ph { font-size:12px; vertical-align:-2px; margin-right:2px; }
.section h2 .ph, .compose-card h2 .ph { font-size:13px; vertical-align:-2px; }

/* ── Default nav layout (desktop) ── */
#nav-buttons:not(.hidden) {
    display:flex; gap:6px; align-items:center;
}
#nav-burger {
    display:none; /* desktop hides the burger */
    padding:5px 10px; font-size:11px;
}

/* ── Mobile: collapse nav into a burger menu ── */
@media (max-width: 700px) {
    /* Hide identity tag on mobile — it's redundant with the menu */
    #nav-user { display:none !important; }
    /* Burger replaces the inline nav row */
    #nav-burger { display:inline-flex !important; align-items:center; }
    /* Default-hide the nav row; .menu-open re-shows it as a popover */
    #nav-buttons:not(.hidden) { display:none; }
    #nav-buttons.menu-open {
        display:flex !important;
        flex-direction:column;
        align-items:stretch;
        position:absolute;
        top:100%;
        right:12px;
        margin-top:6px;
        background:var(--surface);
        border:1px solid var(--border);
        border-radius:4px;
        box-shadow:0 8px 24px rgba(0,0,0,0.4);
        padding:6px;
        gap:4px;
        min-width:160px;
        z-index:50;
    }
    #nav-buttons.menu-open .nav-btn {
        text-align:left;
        width:100%;
    }
    /* Anchor the popover to the header row */
    header { position:relative; }

    /* Admin view on mobile: stack the two columns. The desktop layout
       has its own grid; here we just let the section scroll naturally. */
    #view-admin .section {
        display:block !important;
        padding:14px 12px;
    }
    #view-admin .section h2 { margin-bottom:10px; }
    #view-admin .section .create-user-form { margin-top:14px; }
}

/* ── Desktop layout ── */
@media (min-width: 901px) {

    /* Subtle background gradient gives the page some depth */
    body {
        background:
            radial-gradient(ellipse at top left, rgba(56,189,248,0.04), transparent 50%),
            radial-gradient(ellipse at bottom right, rgba(129,140,248,0.04), transparent 50%),
            var(--bg);
    }

    /* Wider canvas, more breathing room */
    main {
        max-width: 1200px;
        padding: 32px 32px 48px;
        gap: 24px;
    }

    /* Header: bigger title, more padding */
    header {
        padding: 14px 32px;
    }
    header h1 {
        font-size: 15px;
        letter-spacing: 1px;
    }
    header .nav-btn {
        padding: 7px 12px;
    }
    header .user {
        padding: 4px 10px;
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: 3px;
    }

    /* Compose view: 2-column grid (compose | inbox) */
    #view-compose:not(.hidden) {
        display: grid !important;
        grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
        gap: 24px;
        align-items: start;
    }

    /* Cards: depth via shadow + larger padding */
    .compose-card,
    .section {
        padding: 22px 24px;
        box-shadow:
            0 1px 2px rgba(0,0,0,0.3),
            0 8px 24px -8px rgba(0,0,0,0.4);
        border-color: color-mix(in srgb, var(--border) 70%, var(--accent) 12%);
    }
    .compose-card h2,
    .section h2 {
        font-size: 12px;
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 1px solid var(--border);
    }

    /* Big textarea for desktop typing */
    .compose-card textarea {
        min-height: 320px;
        font-size: 14px;
        padding: 12px 14px;
    }
    .compose-card input,
    .compose-card select {
        padding: 9px 12px;
        font-size: 14px;
    }
    .compose-card .field label {
        font-size: 10px;
        margin-bottom: 6px;
    }
    .compose-card .actions {
        margin-top: 6px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }
    .compose-card .actions .btn {
        padding: 11px 22px;
        font-size: 12px;
    }

    /* Inbox card: stick to top of viewport, hover lifts it */
    #inbox-section {
        position: sticky;
        top: 24px;
        transition: transform .15s, box-shadow .15s;
    }
    #inbox-section:hover {
        box-shadow:
            0 1px 2px rgba(0,0,0,0.3),
            0 12px 32px -8px rgba(0,0,0,0.5),
            0 0 0 1px color-mix(in srgb, var(--accent) 20%, transparent);
    }

    /* Admin view: 2-column grid (user list | create form) */
    #view-admin:not(.hidden) .section {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 360px;
        grid-template-areas:
            "header header"
            "list   form";
        gap: 28px;
        align-items: start;
    }
    #view-admin .section h2 { grid-area: header; }
    #view-admin .section #users-list { grid-area: list; }
    #view-admin .section .create-user-form {
        grid-area: form;
        margin-top: 0;
        padding-top: 0;
        border-top: none;
        padding-left: 24px;
        border-left: 1px solid var(--border);
    }

    /* User row polish: hover lift */
    .user-row {
        padding: 14px 12px;
        margin: 0 -12px;
        border-radius: 3px;
        transition: background .12s;
    }
    .user-row:hover {
        background: color-mix(in srgb, var(--raised) 70%, transparent);
    }
    .user-row .name {
        font-size: 12px;
    }

    /* Auth forms (setup/login) — vertically center on viewport */
    .auth-form {
        margin-top: 64px;
        padding: 40px 32px;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 4px;
        box-shadow:
            0 1px 2px rgba(0,0,0,0.3),
            0 16px 48px -16px rgba(0,0,0,0.5);
        max-width: 420px;
    }
    .auth-form h2 {
        font-size: 14px;
        margin-bottom: 8px;
    }

    /* Buttons: subtle press */
    .btn { transition: all .12s; }
    .btn-primary:hover {
        filter: brightness(1.15);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px -4px rgba(56,189,248,0.5);
    }
    .btn-secondary:hover { transform: translateY(-1px); }
    .btn-danger:hover { transform: translateY(-1px); }
}