:root {
    --blue: #1e3a5f;
    --orange: #f97316;
    --light: #f8fafc;
    --dark: #111827;

    --card-bg: rgba(17, 24, 39, 0.55);
    --border: rgba(248, 250, 252, 0.12);
    --muted: rgba(248, 250, 252, 0.72);
    --muted-2: rgba(248, 250, 252, 0.55);
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

body {
    min-height: 100vh;
    background:
            radial-gradient(
                    1200px 600px at 20% 0%,
                    rgba(249, 115, 22, 0.22),
                    transparent 60%
            ),
            radial-gradient(
                    900px 500px at 90% 10%,
                    rgba(30, 58, 95, 0.55),
                    transparent 55%
            ),
            linear-gradient(180deg, var(--blue) 0%, var(--dark) 100%);
    color: var(--light);
}
h1 {
    color: var(--light);
}

/* Header */
.topbar {
    background: rgba(17, 24, 39, 0.55);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}
.brand {
    letter-spacing: 0.2px;
    color: var(--light);
    text-decoration: none;
    font-weight: 800;
}
.brand .dot {
    color: var(--orange);
}

/* Card */
.auth-wrap {
    max-width: 520px;
}
.auth-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 16px;
    overflow: hidden;
    animation: popIn 0.55s ease-out both;
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-card .card-body {
    padding: 2rem;
}
@media (max-width: 576px) {
    .auth-card .card-body {
        padding: 1.5rem;
    }
}

/* Inputs */
.form-control,
.form-check-input {
    background: rgba(248, 250, 252, 0.06);
    border: 1px solid rgba(248, 250, 252, 0.16);
    color: var(--light);
}
.form-control::placeholder {
    color: rgba(248, 250, 252, 0.45);
}
.form-control:focus {
    background: rgba(248, 250, 252, 0.08);
    border-color: rgba(249, 115, 22, 0.55);
    box-shadow: 0 0 0 0.25rem rgba(249, 115, 22, 0.15);
    color: var(--light);
}
.form-label {
    color: rgba(248, 250, 252, 0.85);
}
.helper {
    color: var(--muted-2);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(90deg, var(--orange), #ff8a3d);
    border: 0;
    color: #111827;
    font-weight: 800;
}
.btn-primary:hover {
    filter: brightness(1.02);
    transform: translateY(-1px);
}
.btn-primary:disabled {
    opacity: 0.6;
    transform: none;
    cursor: not-allowed;
}
.btn-linkish {
    color: rgba(248, 250, 252, 0.78);
    text-decoration: none;
}
.btn-linkish:hover {
    color: var(--light);
    text-decoration: underline;
}

/* Password checklist */
.rule {
    font-size: 0.82rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.3rem 0;
}
.rule .icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid rgba(248, 250, 252, 0.18);
    flex: 0 0 auto;
}
.rule.pass {
    color: rgba(120, 255, 185, 0.95);
}
.rule.pass .icon {
    background: rgba(34, 197, 94, 0.18);
    border-color: rgba(34, 197, 94, 0.35);
}
.rule.fail {
    color: rgba(248, 250, 252, 0.72);
}
.rule.fail .icon {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.25);
}

/* Eye button */
.icon-btn {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    color: rgba(248, 250, 252, 0.75);
    padding: 0.25rem;
}
.icon-btn:hover {
    color: var(--light);
}

/* Footer text */
.tiny {
    font-size: 0.8rem;
    color: var(--muted-2);
}

/* Subtle hover */
.auth-card:hover {
    border-color: rgba(249, 115, 22, 0.22);
    transition: border-color 0.2s ease;
}

/* Terms checkbox */
.terms-check {
    font-size: 0.85rem;
    color: var(--muted);
}

.terms-check .form-check-input {
    cursor: pointer;
}

.terms-check .form-check-label {
    line-height: 1.4;
}

.terms-link {
    color: var(--orange);
    text-decoration: none;
    font-weight: 600;
}

.terms-link:hover {
    text-decoration: underline;
    color: #ff8a3d;
}