/* ===== SSN Portal — Login ===== */
:root {
    --ssn-violet-900: #4a1d6e;
    --ssn-violet-700: #6b2d9e;
    --ssn-violet-500: #9b3fb5;
    --ssn-magenta:    #b34fc9;
    --ssn-lavender:   #d8b4e8;
    --ssn-ink:        #2c1840;
    --ssn-muted:      #8a7a9b;
    --ssn-border:     #e7dcf0;
    --ssn-danger:     #d64550;
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: var(--ssn-ink);
    background: linear-gradient(135deg, #3a1659 0%, #6b2d9e 45%, #a23db5 100%);
    position: relative;
    overflow: hidden;
}

/* Soft decorative glow blobs */
body::before,
body::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.55;
    z-index: 0;
}

body::before {
    width: 460px;
    height: 460px;
    top: -160px;
    right: -120px;
    background: radial-gradient(circle, var(--ssn-magenta), transparent 70%);
}

body::after {
    width: 420px;
    height: 420px;
    bottom: -180px;
    left: -120px;
    background: radial-gradient(circle, var(--ssn-lavender), transparent 70%);
}

/* ===== Card ===== */
.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    padding: 44px 40px 36px;
    box-shadow: 0 30px 60px -20px rgba(40, 10, 70, 0.55),
                0 8px 24px -12px rgba(40, 10, 70, 0.4);
    animation: card-in 0.5s cubic-bezier(0.21, 1, 0.36, 1);
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-logo {
    display: block;
    width: 100%;
    max-width: 210px;
    height: auto;
    margin: 4px auto 18px;
}

.login-subtitle {
    text-align: center;
    margin: 0 0 30px;
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ssn-muted);
    font-weight: 600;
}

/* ===== Inputs ===== */
.field {
    position: relative;
    margin-bottom: 18px;
}

.field-icon {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--ssn-violet-500);
    pointer-events: none;
}

.field input {
    width: 100%;
    height: 52px;
    padding: 0 16px 0 46px;
    font-size: 15px;
    color: var(--ssn-ink);
    background: #faf7fd;
    border: 1.5px solid var(--ssn-border);
    border-radius: 12px;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.field input::placeholder { color: #b3a6c2; }

.field input:focus {
    background: #fff;
    border-color: var(--ssn-violet-500);
    box-shadow: 0 0 0 4px rgba(155, 63, 181, 0.14);
}

.field:focus-within .field-icon {
    color: var(--ssn-violet-700);
}

/* ===== Button ===== */
.btn-login {
    width: 100%;
    height: 52px;
    margin-top: 6px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(135deg, var(--ssn-violet-700) 0%, var(--ssn-magenta) 100%);
    box-shadow: 0 12px 22px -8px rgba(123, 45, 158, 0.6);
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 28px -8px rgba(123, 45, 158, 0.7);
    filter: brightness(1.05);
}

.btn-login:active {
    transform: translateY(0);
    box-shadow: 0 8px 16px -8px rgba(123, 45, 158, 0.6);
}

/* ===== Flash / alert ===== */
.login-alert {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    background: #fdecee;
    border: 1px solid #f6cdd2;
    color: var(--ssn-danger);
}

.login-alert svg { flex: 0 0 18px; width: 18px; height: 18px; }

/* ===== Footer ===== */
.login-footer {
    margin-top: 26px;
    text-align: center;
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--ssn-muted);
}

@media (max-width: 480px) {
    .login-card { padding: 34px 24px 28px; border-radius: 16px; }
}