@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Inconsolata:wght@400;500&display=swap');

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Inconsolata:wght@400;500&display=swap');

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-grad:     linear-gradient(145deg, #c8e8ff 0%, #a8d4f5 35%, #bdd4f8 65%, #d0c8f8 100%);
    --accent:      #2b7fff;
    --accent-2:    #7c5cfc;
    --accent-3:    #f472b6;
    --text-hi:     #0f172a;
    --text-mid:    #4a5880;
    --text-lo:     #9baac8;
    --radius:      20px;
    --radius-sm:   12px;
    --radius-xs:   8px;
    --t:           0.25s cubic-bezier(0.4,0,0.2,1);

    --glass-card:    rgba(255,255,255,0.52);
    --glass-border:  rgba(255,255,255,0.80);
    --glass-blur:    blur(32px) saturate(1.8);
    --glass-header:  rgba(255,255,255,0.30);
    --glass-input:   rgba(255,255,255,0.55);
    --glass-input-f: rgba(255,255,255,0.75);
    --glass-btn:     rgba(255,255,255,0.40);
    --glass-btn-h:   rgba(255,255,255,0.62);
}

body {
    font-family: 'Syne', sans-serif;
    min-height: 100dvh;
    background: var(--bg-grad);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* ── Orbs ─────────────────────────────────────────────────── */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; }

.orb { position: absolute; border-radius: 50%; }

.orb-1 {
    width: 600px; height: 600px;
    top: -200px; right: -150px;
    background: radial-gradient(circle, rgba(120,180,255,0.55) 0%, transparent 65%);
    animation: drift1 12s ease-in-out infinite alternate;
}
.orb-2 {
    width: 500px; height: 500px;
    bottom: -180px; left: -100px;
    background: radial-gradient(circle, rgba(160,130,255,0.40) 0%, transparent 65%);
    animation: drift2 15s ease-in-out infinite alternate;
}
.orb-3 {
    width: 300px; height: 300px;
    top: 40%; left: 30%;
    background: radial-gradient(circle, rgba(244,114,182,0.18) 0%, transparent 65%);
    animation: drift1 18s ease-in-out infinite alternate-reverse;
}

@keyframes drift1 {
    from { transform: translate(0,0) scale(1); }
    to   { transform: translate(30px,20px) scale(1.06); }
}
@keyframes drift2 {
    from { transform: translate(0,0) scale(1); }
    to   { transform: translate(-20px,-30px) scale(1.09); }
}

/* ── Wrapper ──────────────────────────────────────────────── */
.auth-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* ── Card ─────────────────────────────────────────────────── */
.auth-container {
    width: 100%;
    max-width: 400px;

    background: var(--glass-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);

    border: 1px solid var(--glass-border);
    border-radius: var(--radius);

    box-shadow:
            0 32px 80px rgba(80,120,200,0.20),
            0  1px  0 rgba(255,255,255,0.95) inset,
            0 -1px  0 rgba(180,200,255,0.18) inset,
            1px  0  0 rgba(255,255,255,0.70) inset,
            -1px  0  0 rgba(255,255,255,0.70) inset;

    animation: cardIn 0.5s cubic-bezier(0.22,1,0.36,1) forwards;
    overflow: hidden;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(28px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Header ───────────────────────────────────────────────── */
.card-header {
    padding: 36px 32px 28px;
    background: var(--glass-header);
    border-bottom: 1px solid rgba(255,255,255,0.60);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0; left: 8%; right: 8%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.98), transparent);
}

.card-header::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 90px;
    background: linear-gradient(180deg, rgba(255,255,255,0.38) 0%, transparent 100%);
    pointer-events: none;
}

/* ── Logo ─────────────────────────────────────────────────── */
.logo-wrap {
    position: relative;
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
}

.logo-img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.85);
    position: relative;
    z-index: 1;
    box-shadow:
            0 1px 0 rgba(255,255,255,0.95) inset,
            0 6px 20px rgba(80,120,200,0.20);
}

.logo-glow {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(120,160,255,0.35) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1);   opacity: 0.7; }
    50%       { transform: scale(1.1); opacity: 1; }
}

.brand-name {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-hi);
    margin-bottom: 6px;
}

.brand-name span {
    background: linear-gradient(135deg, var(--accent-2), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-sub {
    font-size: 13px;
    color: var(--text-mid);
    font-weight: 400;
    line-height: 1.5;
}

/* ── Body ─────────────────────────────────────────────────── */
.card-body {
    padding: 28px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.field-group { margin-bottom: 14px; }

.field-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-mid);
    margin-bottom: 7px;
}

.input-wrap { position: relative; }

.field-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-lo);
    pointer-events: none;
    transition: color var(--t);
    z-index: 1;
}

.input-wrap input {
    width: 100%;
    padding: 13px 16px 13px 42px;
    border-radius: var(--radius-xs);
    border: 1px solid rgba(255,255,255,0.75);
    background: var(--glass-input);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-hi);
    font-size: 16px;
    font-family: 'Syne', sans-serif;
    transition: var(--t);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    box-shadow: 0 1px 0 rgba(255,255,255,0.90) inset, 0 2px 8px rgba(100,140,220,0.10);
}

.input-wrap input:-webkit-autofill,
.input-wrap input:-webkit-autofill:hover,
.input-wrap input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0px 1000px rgba(220,235,255,0.95) inset;
    -webkit-text-fill-color: var(--text-hi);
    transition: background-color 5000s ease-in-out 0s;
}

.input-wrap input::placeholder { color: var(--text-lo); }

.input-wrap input:focus {
    border-color: rgba(43,127,255,0.45);
    background: var(--glass-input-f);
    box-shadow:
            0 0 0 3px rgba(43,127,255,0.12),
            0 1px 0 rgba(255,255,255,0.95) inset,
            0 2px 12px rgba(100,140,220,0.15);
}

.input-wrap input:focus ~ .field-icon,
.input-wrap:focus-within .field-icon {
    color: var(--accent);
}

/* ── fieldWrapper animation ───────────────────────────────── */
.fieldWrapper {
    max-height: 80px;
    opacity: 1;
    overflow: hidden;
    transition:
            max-height 0.4s cubic-bezier(0.4,0,0.2,1),
            opacity    0.3s ease,
            margin     0.4s ease;
    display: flex;
    flex-direction: column;
}

.auth-container.login-mode .fieldWrapper {
    max-height: 0;
    opacity: 0;
    margin: 0;
    pointer-events: none;
}

/* ── Submit button ────────────────────────────────────────── */
.submit-btn {
    width: 100%;
    margin-top: 8px;
    padding: 14px 20px;
    background: var(--glass-btn);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-hi);
    border: 1px solid rgba(255,255,255,0.80);
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 15px;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--t);
    position: relative;
    overflow: hidden;
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
    min-height: 48px;
    box-shadow:
            0  1px 0 rgba(255,255,255,0.95) inset,
            0 -1px 0 rgba(180,200,240,0.20) inset,
            0  4px 16px rgba(80,120,200,0.14);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.50) 0%, transparent 100%);
    pointer-events: none;
}

.submit-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: background var(--t);
}

.submit-btn:hover::after  { background: rgba(255,255,255,0.18); }
.submit-btn:active::after { background: rgba(255,255,255,0.28); }

.submit-btn:hover {
    background: var(--glass-btn-h);
    border-color: rgba(255,255,255,0.95);
    transform: translateY(-2px);
    box-shadow:
            0  1px 0 rgba(255,255,255,0.98) inset,
            0 -1px 0 rgba(180,200,240,0.20) inset,
            0 10px 28px rgba(80,120,200,0.22);
}

.submit-btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow:
            0 1px 0 rgba(255,255,255,0.90) inset,
            0 2px 8px rgba(80,120,200,0.12);
}

.btn-arrow {
    width: 18px;
    height: 18px;
    transition: transform var(--t);
    flex-shrink: 0;
}

.submit-btn:hover .btn-arrow { transform: translateX(4px); }

/* ── Toggle text ──────────────────────────────────────────── */
.toggle-text {
    margin-top: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--text-mid);
}

.toggle-text a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: var(--t);
    cursor: pointer;
    display: inline-block;
    padding: 4px 2px;
}

.toggle-text a:hover {
    color: var(--accent-2);
    text-decoration: underline;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 480px) {
    .auth-wrapper   { padding: 16px; align-items: center; }
    .auth-container { border-radius: 16px; }
    .card-header    { padding: 28px 24px 22px; }
    .logo-img       { width: 60px; height: 60px; }
    .logo-wrap      { width: 60px; height: 60px; }
    .brand-name     { font-size: 20px; }
    .card-body      { padding: 22px 24px 28px; }
    .input-wrap input { font-size: 16px; padding: 14px 16px 14px 42px; }
    .submit-btn     { padding: 15px 20px; font-size: 15px; }
}

@media (max-width: 360px) {
    .card-header { padding: 22px 18px 18px; }
    .card-body   { padding: 18px 18px 22px; }
    .input-wrap input { padding: 12px 14px 12px 40px; }
}

@media (max-height: 600px) and (orientation: landscape) {
    .auth-wrapper   { align-items: flex-start; padding: 12px 20px; }
    .card-header    { padding: 16px 24px 14px; }
    .logo-wrap      { width: 44px; height: 44px; margin-bottom: 8px; }
    .logo-img       { width: 44px; height: 44px; }
    .brand-name     { font-size: 18px; margin-bottom: 2px; }
    .brand-sub      { font-size: 11px; }
    .card-body      { padding: 14px 24px 18px; }
    .field-group    { margin-bottom: 8px; }
    .input-wrap input { padding: 10px 14px 10px 40px; }
    .submit-btn     { margin-top: 4px; padding: 11px 16px; min-height: 44px; }
    .toggle-text    { margin-top: 10px; }
}