:root{
    --bg0:#05070c;
    --bg1:#070b14;
    --card:#0b0f18cc;
    --card2:#0c1220cc;
    --line: rgba(255,255,255,.08);
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.62);
    --muted2: rgba(255,255,255,.45);
    --blue: #3b82f6;
    --blue2:#60a5fa;
    --shadow: 0 30px 90px rgba(0,0,0,.55);
    --radius: 28px;
}

*{ box-sizing:border-box; }
html, body{ height:100%; }

/* mobile text scaling / iOS */
html{
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
    color: var(--text);
    background: radial-gradient(1200px 800px at 30% 70%, #07173a 0%, transparent 55%),
    radial-gradient(900px 700px at 70% 40%, #0a1228 0%, transparent 52%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
    overflow-x:hidden;
}

.bg{ position:fixed; inset:0; pointer-events:none; }
.bg-glow{
    position:absolute;
    left:-20%;
    top:55%;
    width:70vmax;
    height:70vmax;
    transform: translateY(-50%);
    background: radial-gradient(circle at 35% 35%, rgba(59,130,246,.55), transparent 55%);
    filter: blur(30px);
    opacity:.9;
}
.bg-glow-2{
    left:55%;
    top:15%;
    width:55vmax;
    height:55vmax;
    background: radial-gradient(circle at 30% 30%, rgba(96,165,250,.20), transparent 60%);
    opacity:.65;
}

.wrap{
    /* better mobile viewport handling */
    min-height: 100vh;
    min-height: 100svh;

    display:flex;
    align-items:center;
    justify-content:center;

    /* safe-area padding for iOS */
    padding:
            calc(28px + env(safe-area-inset-top))
            calc(16px + env(safe-area-inset-right))
            calc(28px + env(safe-area-inset-bottom))
            calc(16px + env(safe-area-inset-left));
}

.card{
    width:min(680px, 100%);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
    border: 1px solid rgba(255,255,255,.10);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    position:relative;
    overflow:hidden;
}

.card::before{
    content:"";
    position:absolute;
    inset:-2px;
    background: radial-gradient(600px 240px at 40% 0%, rgba(59,130,246,.35), transparent 55%),
    radial-gradient(500px 260px at 90% 35%, rgba(96,165,250,.18), transparent 55%);
    opacity:.9;
    pointer-events:none;
}

.card-inner{
    position:relative;
    padding: 58px 56px 34px;
    background: linear-gradient(180deg, var(--card), var(--card2));
}

h1{
    margin:0;
    font-size: 54px;
    letter-spacing: -0.02em;
    text-align:center;
}

.subtitle{
    margin: 12px auto 28px;
    max-width: 560px;
    text-align:center;
    color: var(--muted);
    line-height: 1.35;
}

.form{ margin-top: 8px; }

.field{
    position:relative;
    display:flex;
    align-items:center;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(0,0,0,.18);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
    margin: 12px 0;
}

.field:focus-within{
    border-color: rgba(96,165,250,.55);
    box-shadow: 0 0 0 4px rgba(59,130,246,.12);
}

.icon{
    width:20px;
    height:20px;
    color: rgba(255,255,255,.50);
    display:inline-flex;
}
.icon svg{ width:20px; height:20px; }

input{
    width:100%;
    border:0;
    outline:none;
    background: transparent;
    color: var(--text);
    font-size: 15px;
}

input::placeholder{ color: rgba(255,255,255,.35); }

/* Keep browser autofill visually identical to normal auth inputs */
.field input:-webkit-autofill,
.field input:-webkit-autofill:hover,
.field input:-webkit-autofill:focus,
.field input:-webkit-autofill:active{
    -webkit-text-fill-color: var(--text);
    caret-color: var(--text);
    -webkit-box-shadow: 0 0 0 1000px transparent inset;
    box-shadow: 0 0 0 1000px transparent inset;
    transition: background-color 99999s ease-out 0s;
}

.pw-btn{
    border:0;
    background: transparent;
    color: rgba(96,165,250,.85);
    cursor:pointer;
    width:36px;
    height:36px;
    display:grid;
    place-items:center;
    border-radius: 10px;
    -webkit-tap-highlight-color: transparent;
}
.pw-btn:hover{
    background: rgba(59,130,246,.10);
}

.btn{
    width:100%;
    border:0;
    margin-top: 12px;
    padding: 16px 18px;
    border-radius: 999px;
    cursor:pointer;
    font-size: 16px;
    font-weight: 650;
    color: rgba(255,255,255,.92);
    background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.07));
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: 0 18px 45px rgba(0,0,0,.40);
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    -webkit-tap-highlight-color: transparent;
}

.btn:hover{
    border-color: rgba(96,165,250,.35);
    box-shadow: 0 18px 55px rgba(0,0,0,.50), 0 0 0 4px rgba(59,130,246,.12);
}

.btn:active{ transform: translateY(1px); }

.btn[disabled]{
    cursor:not-allowed;
    opacity:.75;
}

.btn-spinner{
    width:18px;
    height:18px;
    border-radius:50%;
    border: 2px solid rgba(255,255,255,.25);
    border-top-color: rgba(96,165,250,.95);
    display:none;
    animation: spin 1s linear infinite;
}

.btn.loading .btn-text{ opacity:.85; }
.btn.loading .btn-spinner{ display:inline-block; }

@keyframes spin { to { transform: rotate(360deg); } }

.auth-divider{
    margin: 16px 0 8px;
    display:flex;
    align-items:center;
    gap:10px;
    color: var(--muted2);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.auth-divider::before,
.auth-divider::after{
    content:"";
    flex:1;
    height:1px;
    background: var(--line);
}

.google-auth{
    display:grid;
    gap: 10px;
    width: 100%;
}

.google-btn-wrap{
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    min-height: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    border-radius: 999px;
    overflow: hidden;
    display: inline-flex;
    justify-content:center;
    align-items:center;
}

.google-btn-wrap #googleSignInButton{
    width: auto;
    max-width: 100%;
    display: inline-flex;
    justify-content: center;
}

.google-btn-wrap #googleSignInButton > div{
    max-width: 100%;
}

.google-btn-wrap.loading{
    opacity: .7;
    pointer-events: none;
}

.hint{
    margin: 12px 0 0;
    min-height: 18px;
    text-align:center;
    color: var(--muted2);
    font-size: 12px;
}

.row-actions{
    display:flex;
    justify-content:flex-end;
    margin: 4px 0 2px;
}
.small-link{
    font-size: 12px;
    color: rgba(96,165,250,.95);
    text-decoration:none;
}
.small-link:hover{ text-decoration: underline; }

.footer{
    margin-top: 22px;
    text-align:center;
    font-size: 12px;
}

.muted{ color: var(--muted); }
.footer-link{
    color: rgba(96,165,250,.95);
    text-decoration:none;
}
.footer-link:hover{ text-decoration: underline; }

.modal{
    position: fixed;
    inset: 0;
    z-index: 20;
    background: rgba(0,0,0,.58);
    display:grid;
    place-items:center;
    padding: 16px;
}

.modal.hidden{
    display:none;
}

.modal-card{
    width:min(560px, 100%);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(11,15,24,.96), rgba(12,18,32,.96));
    box-shadow: 0 24px 70px rgba(0,0,0,.55);
    padding: 26px 22px;
}

.modal-card h2{
    margin:0 0 12px;
    font-size: 28px;
    text-align:center;
}

.modal-card p{
    margin: 8px 0;
    color: var(--muted);
    line-height: 1.4;
    text-align: center;
}

.modal-actions{
    margin-top: 16px;
    display:grid;
    gap: 8px;
}

.modal-btn{
    margin-top: 0;
    text-decoration: none;
}

.btn-secondary{
    background: rgba(255,255,255,.04);
}


@media (max-width: 640px){
    .card-inner{ padding: 40px 22px 26px; }
    h1{ font-size: 42px; }

    /* prevent iOS zoom on focus */
    input{ font-size: 16px; }
}

/* extra small phones */
@media (max-width: 380px){
    .card-inner{ padding: 34px 18px 22px; }
    h1{ font-size: 36px; }
    .subtitle{ margin-bottom: 22px; }
}