:root {
    --bg: #05070c;
    --bg-elevated: #0b1018;
    --card: #0e141d;
    --border: rgba(0, 251, 255, 0.16);
    --text: #f4f7fb;
    --muted: #8b97a8;
    --cyan: #00fbff;
    --blue: #2979ff;
    --magenta: #ff00d4;
    --orange: #ff8a00;
    --accent: #00fbff;
    --accent-dim: #14b8c4;
    --accent-warm: #ff8a00;
    --gradient: linear-gradient(90deg, #00fbff, #2979ff, #d500f9, #ff8a00);
    --gradient-cta: linear-gradient(90deg, #ff2bd6 0%, #ff8a00 100%);
    --task: #5ee7ff;
    --memory: #e040fb;
    --completion: #5ee2a0;
    --danger: #ff5d6c;
    --ok: #5ee2a0;
    --font-display: "Orbitron", "Segoe UI", sans-serif;
    --font-body: "Rajdhani", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background:
        radial-gradient(900px 480px at 8% -12%, rgba(0, 251, 255, 0.12), transparent 55%),
        radial-gradient(860px 460px at 94% -8%, rgba(255, 0, 212, 0.10), transparent 52%),
        radial-gradient(720px 420px at 80% 110%, rgba(255, 138, 0, 0.07), transparent 50%),
        var(--bg);
    color: var(--text);
    font-size: 17px;
    font-weight: 500;
    line-height: 1.5;
    color-scheme: dark;
}

a { color: var(--cyan); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(5, 7, 12, 0.86);
    backdrop-filter: blur(14px);
}

.site-header::after {
    content: "";
    display: block;
    height: 1px;
    background: var(--gradient);
    opacity: 0.7;
}

.site-header-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    object-fit: cover;
    display: block;
    filter: drop-shadow(0 0 10px rgba(0, 251, 255, 0.28));
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand-name {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.08em;
}

.brand-sub {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-display);
    font-size: 8px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--text);
}

.brand-sub::before,
.brand-sub::after {
    content: "";
    height: 1px;
    width: 14px;
    background: var(--gradient);
}

.main-nav { display: flex; align-items: center; gap: 18px; }

.main-nav a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.main-nav a:hover { color: var(--text); }

.main-nav a.is-active {
    color: var(--text);
    padding-bottom: 2px;
    background: var(--gradient) bottom / 100% 2px no-repeat;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 1px;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 20px 64px;
}

.hero { margin-bottom: 36px; max-width: 720px; }

.eyebrow {
    margin: 0 0 8px;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-display);
}

h1, h2, h3 { margin: 0 0 10px; line-height: 1.2; }
h1 {
    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 0.02em;
}
h2 {
    font-family: var(--font-display);
    font-size: 18px;
    letter-spacing: 0.04em;
}
h3 { font-size: 20px; font-weight: 700; }

.lede {
    color: var(--muted);
    font-size: 18px;
    margin: 0 0 24px;
}

.lede.tight { font-size: 16px; margin-bottom: 0; }

.page-head { margin-bottom: 28px; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 10px 18px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
}

.button.primary {
    background: var(--gradient-cta);
    color: #fff;
    box-shadow: 0 0 22px rgba(255, 43, 214, 0.28);
}

.button.primary:hover { filter: brightness(1.08); }

.button.ghost {
    background: transparent;
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.16);
}

.button.ghost:hover {
    border-color: var(--cyan);
    color: var(--cyan);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 28px;
}

.stat-card,
.panel,
.item-card,
.login-card {
    background: linear-gradient(180deg, rgba(16, 22, 32, 0.96), rgba(10, 14, 22, 0.96));
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.stat-card { padding: 16px 18px; }
.stat-label {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}
.stat-value {
    margin: 6px 0 0;
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
}

.panel { padding: 20px; margin-bottom: 24px; }
.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
}

.capture-form {
    display: grid;
    gap: 14px;
}

.field { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }

.field input,
.field select,
.field textarea {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px 12px;
    font: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: 2px solid rgba(0, 251, 255, 0.35);
    border-color: var(--accent-dim);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.filter-bar a {
    text-decoration: none;
    color: var(--muted);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
}

.filter-bar a.is-active,
.filter-bar a:hover {
    color: var(--text);
    border-color: var(--cyan);
}

.item-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.item-card { padding: 16px 18px; }
.item-meta { display: flex; gap: 8px; margin-bottom: 8px; }
.item-notes { color: var(--muted); margin: 0 0 12px; }
.inline-form { margin: 8px 0 0; }

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.kind-task { background: rgba(94, 231, 255, 0.14); color: var(--task); }
.kind-memory { background: rgba(224, 64, 251, 0.14); color: var(--memory); }
.kind-completion { background: rgba(94, 226, 160, 0.14); color: var(--completion); }
.status-open { background: rgba(0, 251, 255, 0.12); color: var(--cyan); }
.status-completed { background: rgba(94, 226, 160, 0.12); color: var(--ok); }
.status-archived { background: rgba(139, 151, 163, 0.14); color: var(--muted); }

.empty { color: var(--muted); }

.messages { list-style: none; padding: 0; margin: 0 0 20px; }
.message {
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
}
.message.success { border-color: rgba(94, 226, 160, 0.4); }
.message.error { border-color: rgba(255, 93, 108, 0.5); color: #ffc2c8; }

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 20px;
}

.login-stack {
    display: grid;
    justify-items: center;
    gap: 8px;
    width: min(480px, 100%);
}

.login-logo {
    width: min(300px, 78vw);
    height: auto;
    margin-bottom: 4px;
    filter:
        drop-shadow(0 0 28px rgba(0, 251, 255, 0.22))
        drop-shadow(0 0 36px rgba(255, 0, 212, 0.14));
}

.login-card {
    width: 100%;
    padding: 28px 28px 32px;
    text-align: center;
}

.login-card .lede {
    margin-left: auto;
    margin-right: auto;
}

.login-card .button {
    margin-top: 20px;
}

a.button {
    text-decoration: none;
}

.nav-user {
    color: var(--muted);
    font-size: 13px;
    margin-left: 8px;
}

.logout-form { margin: 0; }
.nav-logout { padding: 6px 12px; font-size: 13px; }

@media (max-width: 720px) {
    h1 { font-size: 26px; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .nav-toggle { display: flex; }
    .main-nav {
        display: none;
        position: absolute;
        top: 68px;
        right: 16px;
        left: 16px;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 12px;
    }
    .main-nav.open { display: flex; }
    .main-nav a.is-active {
        background: none;
        border-bottom: 0;
        color: var(--cyan);
    }
}