:root {
    --blue: #0098D0;
    --teal: #18A0A0;
    --green: #30A860;
    --gradient: linear-gradient(135deg, #0098D0 0%, #18A0A0 50%, #30A860 100%);
    --gradient-text: linear-gradient(90deg, #0098D0 0%, #18A0A0 40%, #30A860 100%);
    --dark: #0B0B0B;
    --gray: #111111;
    --border: #252525;
    --text: #e8e8e8;
    --text-dim: #888;
    --danger: #e85d5d;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--dark);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.025;
    pointer-events: none;
    z-index: 0;
}
.grid-bg {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(24, 160, 160, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 160, 160, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: -1;
}
nav {
    position: relative;
    z-index: 10;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    background: linear-gradient(to bottom, var(--dark) 0%, var(--dark) 70%, transparent 100%);
}
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}
/* Match portal.hytch.org: hytch-logo uses h-32 w-32 (128px) + rounded-2xl */
.logo img {
    height: 128px;
    width: auto;
    display: block;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.35), 0 4px 6px -4px rgba(0, 0, 0, 0.25);
}
.nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
}
.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--blue); }
.btn-x {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--teal);
    color: var(--teal);
    padding: 0.55rem 1.1rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: all 0.25s ease;
}
.btn-x:hover {
    background: var(--gradient);
    border-color: transparent;
    color: var(--dark);
}
main {
    position: relative;
    z-index: 1;
    max-width: 440px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}
main.portal-shell {
    max-width: 640px;
}
.tag {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--teal);
    margin-bottom: 1rem;
}
h1 {
    font-family: 'Sora', sans-serif;
    font-size: clamp(1.75rem, 5vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
    line-height: 1.15;
}
h1 span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.lead {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.65;
}
.card {
    background: var(--gray);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem 1.5rem;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gradient);
}
.card.portal-card {
    margin-top: 1.5rem;
}
label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.4rem;
}
input[type="email"],
input[type="password"],
input[type="text"],
input[type="tel"] {
    width: 100%;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--text);
    font-family: inherit;
    margin-bottom: 1.1rem;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
input:focus {
    outline: none;
    border-color: var(--blue);
}
input::placeholder { color: var(--text-dim); }
.btn-primary {
    display: block;
    width: 100%;
    text-align: center;
    background: var(--gradient);
    color: var(--dark);
    border: none;
    padding: 0.95rem 1.5rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 0.25rem;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 32px rgba(24, 160, 160, 0.28);
}
.btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.75rem 1.25rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
    margin-top: 0.75rem;
}
.btn-secondary:hover {
    border-color: var(--teal);
    color: var(--teal);
}
.form-msg {
    font-size: 0.8rem;
    margin-bottom: 1rem;
    padding: 0.65rem 0.85rem;
    border-radius: 8px;
    line-height: 1.45;
    display: none;
}
.form-msg.is-visible { display: block; }
.form-msg.error {
    background: rgba(232, 93, 93, 0.12);
    border: 1px solid rgba(232, 93, 93, 0.35);
    color: #f0a8a8;
}
.form-msg.success {
    background: rgba(48, 168, 96, 0.12);
    border: 1px solid rgba(48, 168, 96, 0.35);
    color: #8fd4a8;
}
.auth-switch {
    margin-top: 1.35rem;
    font-size: 0.85rem;
    color: var(--text-dim);
    text-align: center;
    line-height: 1.5;
}
.auth-switch a {
    color: var(--blue);
    text-decoration: none;
    font-weight: 500;
}
.auth-switch a:hover { text-decoration: underline; }
.welcome-line {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.35rem;
}
.welcome-line strong {
    color: var(--teal);
    font-weight: 600;
}
.portal-placeholder {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.65;
    margin-top: 0.75rem;
}
footer {
    text-align: center;
    padding: 2rem 1rem 3rem;
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
footer a { color: var(--text-dim); text-decoration: none; }
footer a:hover { color: var(--blue); }