/* Kopernet OS — login standalone · Liquid Glass Heavy
   Inspired by Apple Vision Pro / iOS 26. Self-contained, no admin.css dependency. */

:root {
    --hol-blue:        #6EA8FE;
    --hol-violet:      #B196FC;
    --hol-pink:        #FFA6B8;
    --hol-peach:       #FFD0B8;

    --ink:             #1a2440;
    --ink-strong:      #0f1729;
    --muted:           #6b7390;

    --glass-bg:        rgba(255, 255, 255, .58);
    --glass-bg-strong: rgba(255, 255, 255, .78);
    --glass-blur:      blur(40px) saturate(180%);
    --glass-stroke:    inset 0 1px 0 rgba(255, 255, 255, .9);
    --glass-border:    1px solid rgba(255, 255, 255, .55);

    --radius:          26px;
    --radius-sm:       16px;
    --radius-pill:     999px;

    --shadow-card:     0 6px 18px rgba(30, 39, 80, .06), 0 28px 72px rgba(30, 39, 80, .12);
    --shadow-input:    inset 0 1px 0 rgba(255, 255, 255, .9), 0 1px 2px rgba(30, 39, 80, .03);
    --shadow-button:   0 6px 18px rgba(0, 102, 255, .28), 0 14px 36px rgba(0, 102, 255, .18);
    --shadow-island:   0 8px 24px rgba(15, 23, 41, .18), 0 16px 40px rgba(15, 23, 41, .10);

    --accent:          #0066FF;
    --accent-hover:    #0052D9;

    --hol-gradient:    linear-gradient(135deg, #6EA8FE 0%, #B196FC 50%, #FFA6B8 100%);

    --safe-top:        env(safe-area-inset-top, 0px);
    --safe-bottom:     env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body.login-body {
    font-family: 'Onest', -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    color: var(--ink);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -.005em;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;

    background:
        radial-gradient(ellipse 70% 60% at 20% 25%, rgba(110, 168, 254, .42) 0%, transparent 62%),
        radial-gradient(ellipse 60% 55% at 82% 18%, rgba(177, 150, 252, .40) 0%, transparent 62%),
        radial-gradient(ellipse 80% 70% at 70% 82%, rgba(255, 166, 184, .34) 0%, transparent 62%),
        radial-gradient(ellipse 60% 60% at 12% 92%, rgba(255, 208, 184, .32) 0%, transparent 62%),
        linear-gradient(135deg, #F0EBFB 0%, #E9F1FE 50%, #FDF0F4 100%);
    background-attachment: fixed;
}

/* Floating ambient blobs — extra depth */
.login-body::before,
.login-body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    will-change: transform;
}
.login-body::before {
    background:
        radial-gradient(circle at 18% 28%, rgba(110, 168, 254, .38) 0%, transparent 34%),
        radial-gradient(circle at 86% 76%, rgba(255, 166, 184, .34) 0%, transparent 34%);
    filter: blur(80px);
    animation: floatBlobA 24s ease-in-out infinite alternate;
}
.login-body::after {
    background:
        radial-gradient(circle at 74% 20%, rgba(177, 150, 252, .36) 0%, transparent 32%),
        radial-gradient(circle at 24% 86%, rgba(255, 208, 184, .32) 0%, transparent 32%);
    filter: blur(100px);
    animation: floatBlobB 30s ease-in-out infinite alternate-reverse;
}
@keyframes floatBlobA {
    0%   { transform: translate3d(0, 0, 0) scale(1); }
    100% { transform: translate3d(40px, -32px, 0) scale(1.08); }
}
@keyframes floatBlobB {
    0%   { transform: translate3d(0, 0, 0) scale(1); }
    100% { transform: translate3d(-36px, 28px, 0) scale(1.12); }
}

/* Dynamic Island-style pill */
.login-island {
    position: fixed;
    top: max(1.25rem, calc(var(--safe-top) + .75rem));
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .55rem 1.1rem;
    background: rgba(15, 23, 41, .78);
    color: rgba(255, 255, 255, .96);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-island);
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: .01em;
}
.login-island::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--hol-gradient);
    box-shadow: 0 0 10px rgba(177, 150, 252, .65);
    animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot {
    0%, 100% { opacity: .9; transform: scale(1); }
    50%      { opacity: 1;  transform: scale(1.15); }
}

/* Shell */
.login-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    padding-top: max(2.5rem, calc(var(--safe-top) + 2rem));
    padding-bottom: max(2rem, calc(var(--safe-bottom) + 1rem));
}

/* Card */
.login-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 2.5rem 2rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card), var(--glass-stroke);
    animation: cardEnter .6s cubic-bezier(.2, .8, .2, 1) both;
}
@keyframes cardEnter {
    from { opacity: 0; transform: translateY(20px) scale(.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-logo {
    display: flex;
    align-items: center;
    gap: .65rem;
    margin-bottom: 1.5rem;
}
.login-logo img {
    height: 32px;
    width: auto;
    display: block;
}
.login-logo .os-tag {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    background: var(--hol-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.login-card h1 {
    margin: 0 0 .4rem;
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--ink-strong);
    letter-spacing: -.022em;
}
.login-card .sub {
    margin: 0 0 1.5rem;
    color: var(--muted);
    font-size: .92rem;
}

.alert {
    margin-bottom: 1rem;
    padding: .75rem .95rem;
    background: rgba(229, 91, 126, .14);
    border: 1px solid rgba(229, 91, 126, .28);
    border-radius: var(--radius-sm);
    color: #a8334f;
    font-size: .88rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.login-card form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-card label {
    display: flex;
    flex-direction: column;
    gap: .4rem;
    font-size: .82rem;
    font-weight: 500;
    color: var(--ink);
}

.login-card input[type="email"],
.login-card input[type="password"] {
    width: 100%;
    padding: .9rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--ink-strong);
    background: rgba(255, 255, 255, .72);
    border: 1px solid rgba(140, 152, 200, .28);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-input);
    outline: none;
    transition: border-color .22s ease, background .22s ease, box-shadow .22s ease;
}
.login-card input::placeholder { color: var(--muted); opacity: .7; }
.login-card input:hover { background: rgba(255, 255, 255, .68); }
.login-card input:focus {
    background: rgba(255, 255, 255, .9);
    border-color: rgba(0, 102, 255, .5);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .95),
        0 0 0 4px rgba(0, 102, 255, .14);
}

.login-card button.primary {
    margin-top: .5rem;
    padding: .95rem 1.2rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background: var(--accent);
    border: 0;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-button), inset 0 1px 0 rgba(255, 255, 255, .25);
    cursor: pointer;
    letter-spacing: .005em;
    transition: background .18s ease, transform .18s ease, box-shadow .22s ease;
}
.login-card button.primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow:
        0 10px 24px rgba(0, 102, 255, .34),
        0 20px 44px rgba(0, 102, 255, .22),
        inset 0 1px 0 rgba(255, 255, 255, .25);
}
.login-card button.primary:active {
    transform: translateY(0);
    background: var(--accent-hover);
}
.login-card button.primary:focus-visible {
    outline: none;
    box-shadow:
        var(--shadow-button),
        inset 0 1px 0 rgba(255, 255, 255, .25),
        0 0 0 4px rgba(0, 102, 255, .28);
}

.login-footer {
    margin-top: 2rem;
    color: var(--ink);
    opacity: .72;
    font-size: .8rem;
    font-weight: 500;
    text-align: center;
    text-shadow: 0 1px 2px rgba(255, 255, 255, .6);
}

/* Responsive */
@media (max-width: 480px) {
    .login-shell {
        padding: 1rem;
        padding-top: max(4.25rem, calc(var(--safe-top) + 3.25rem));
    }
    .login-card {
        padding: 2rem 1.5rem 1.75rem;
        border-radius: 22px;
    }
    .login-card h1 { font-size: 1.4rem; }
    .login-island { font-size: .76rem; padding: .5rem .9rem; }
}

@media (prefers-reduced-motion: reduce) {
    .login-body::before,
    .login-body::after,
    .login-island::before,
    .login-card { animation: none; }
    .login-card button.primary:hover { transform: none; }
}

/* Autofill polish */
.login-card input:-webkit-autofill,
.login-card input:-webkit-autofill:hover,
.login-card input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--ink-strong);
    -webkit-box-shadow: 0 0 0 30px rgba(255, 255, 255, .88) inset, var(--shadow-input);
    transition: background-color 9999s ease-in-out 0s;
}