:root {
    --bg: #020612;
    --panel-bg: rgba(255, 255, 255, 0.05);
    --panel-border: rgba(255, 255, 255, 0.12);
    --text: #ffffff;
    --muted: rgba(255, 255, 255, 0.62);
    --border: rgba(255, 255, 255, 0.12);
    --accent: #ACC8DC;
    --accent-hover: #C2D8E5;
    --accent-text: #0A2638;
    --green: #6cd9a8;
    --red: #f08fa1;
    --font-sans: "Hubot Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "Space Mono", "SF Mono", Menlo, Consolas, monospace;
    --radius-sm: 6px;
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background:
        linear-gradient(180deg,
            #19407A 0%,
            #102E60 8%,
            #091B3F 18%,
            #06182B 32%,
            #03091B 50%,
            #020612 75%,
            #01030A 100%);
    color: #fff;
    font: 14px/1.6 var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 20px;
    position: relative;
}

body::before {
    content: '';
    position: fixed; inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.4) 1px, transparent 0);
    background-size: 140px 140px, 90px 90px;
    opacity: 0.05;
    mix-blend-mode: overlay;
    pointer-events: none;
}

a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent-hover); }

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--panel-bg);
    color: var(--text);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 44px 40px 36px;
    backdrop-filter: blur(28px) saturate(140%);
    -webkit-backdrop-filter: blur(28px) saturate(140%);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        0 24px 72px -20px rgba(0,0,0,0.55);
    position: relative;
    z-index: 1;
}

.auth-card.wide { max-width: 540px; }

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 36px;
}

.brand .logo {
    width: 36px; height: 36px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-text);
    font-weight: 700;
    font-size: 22px;
    line-height: 1;
}

.brand .name {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.22em;
    color: rgba(255,255,255,0.75);
    text-transform: uppercase;
}

h1 {
    margin: 0 0 8px;
    font-size: 28px;
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: #fff;

    background: linear-gradient(105deg,
        rgba(255,255,255,0.55) 0%,
        rgba(255,255,255,0.92) 35%,
        rgba(255,255,255,1) 55%,
        rgba(218,232,242,0.95) 75%,
        rgba(168,207,230,0.78) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter:
        drop-shadow(0 1px 24px rgba(255,255,255,0.18))
        drop-shadow(0 0 50px rgba(172,200,220,0.18));
}

.subtitle {
    margin: 0 0 28px;
    font-size: 14px;
    color: var(--muted);
    font-weight: 300;
    line-height: 1.6;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 24px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.section-label:first-of-type { margin-top: 6px; }

.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.22em;
}

.field input,
.field select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-sm);
    font: 400 14px/1.5 var(--font-sans);
    background: rgba(255,255,255,0.04);
    color: #fff;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color .15s, background .15s, box-shadow .15s;
    color-scheme: dark;
}
.field input::placeholder { color: rgba(255,255,255,0.35); }
.field input:focus,
.field select:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255,255,255,0.06);
    box-shadow: 0 0 0 3px rgba(172,200,220,0.20);
}

.field select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 36px;
    background:
        no-repeat right 12px center/10px url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ACC8DC' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>"),
        rgba(255,255,255,0.04);
}
.field select option { background: #0c1a2e; color: #fff; }

.field-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: -4px 0 22px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 700;
}

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .row2 { grid-template-columns: 1fr; } }

.btn-primary {
    position: relative;
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: var(--accent-text);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    font: 700 11px/1 var(--font-mono);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    cursor: pointer;
    overflow: hidden;
    transition: background .15s, border-color .15s;
    box-shadow: 0 12px 32px -10px rgba(172,200,220,0.55);
}

.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary .label { transition: opacity .15s; }
.btn-primary .loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s;
}
.btn-primary.loading { pointer-events: none; cursor: wait; }
.btn-primary.loading .label { opacity: 0; }
.btn-primary.loading .loader { opacity: 1; }

.loader-bar {
    width: 80px;
    height: 3px;
    background: rgba(10, 38, 56, 0.25);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}
.loader-bar::before {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    left: -40%;
    width: 40%;
    background: var(--accent-text);
    border-radius: 2px;
    animation: loader-slide 1.1s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
}
@keyframes loader-slide {
    0%   { left: -40%; }
    100% { left: 100%; }
}

.divider {
    margin: 28px 0;
    height: 1px;
    background: var(--border);
}

.foot {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 700;
}

.notice {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 20px;
    border: 1px solid;
    font-weight: 300;
}
.notice.ok   { background: rgba(108,217,168,0.10); color: var(--green); border-color: rgba(108,217,168,0.30); }
.notice.err  { background: rgba(240,143,161,0.10); color: var(--red); border-color: rgba(240,143,161,0.30); }
.notice.info { background: rgba(172,200,220,0.10); color: var(--accent); border-color: rgba(172,200,220,0.30); }

.help {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--muted);
    margin-top: 8px;
    letter-spacing: 0.04em;
}

/* Password generator buttons (signup page) */
.password-row { display: flex; gap: 8px; align-items: stretch; }
.password-row input { flex: 1; min-width: 0; font-family: var(--font-mono); letter-spacing: 0.5px; }
.icon-btn {
    flex: 0 0 auto;
    width: 44px;
    padding: 0;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--accent);
    cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: color .15s, border-color .15s, background .15s, transform .05s;
}
.icon-btn:hover {
    color: var(--accent-hover);
    border-color: var(--accent);
    background: rgba(172,200,220,0.10);
}
.icon-btn:active { transform: translateY(1px); }
.icon-btn .copy-done { display: none; }
.icon-btn.copied { color: var(--green); border-color: var(--green); background: rgba(108,217,168,0.14); }
.icon-btn.copied .copy-default { display: none; }
.icon-btn.copied .copy-done { display: inline-block; }