/* Octal CMMS — Fancy Login Background */

body.octal-login {
    position: relative;
    overflow-x: hidden;
    min-height: 100vh;
    background: #0a0a0f !important;
}

[data-bs-theme='light'] body.octal-login {
    background: #f8f7ff !important;
}

/* ── Animated background layer ── */
.login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.login-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(124, 58, 237, 0.45) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 85% 80%, rgba(168, 85, 247, 0.35) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 60% 40%, rgba(192, 132, 252, 0.15) 0%, transparent 45%),
        linear-gradient(160deg, #0a0a0f 0%, #12081f 40%, #0d0618 100%);
}

[data-bs-theme='light'] .login-bg-gradient {
    background:
        radial-gradient(ellipse 80% 60% at 15% 5%, rgba(168, 85, 247, 0.28) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 90% 85%, rgba(124, 58, 237, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 55% 45%, rgba(192, 132, 252, 0.12) 0%, transparent 45%),
        linear-gradient(160deg, #faf9ff 0%, #f3eeff 40%, #ede9fe 100%);
}

.login-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(168, 85, 247, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(168, 85, 247, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 75%);
}

[data-bs-theme='light'] .login-bg-grid {
    background-image:
        linear-gradient(rgba(124, 58, 237, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 58, 237, 0.07) 1px, transparent 1px);
}

.login-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.7;
    will-change: transform;
}

.login-bg-orb-1 {
    width: 420px;
    height: 420px;
    top: -120px;
    left: -80px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.55) 0%, transparent 70%);
    animation: loginOrbFloat1 18s ease-in-out infinite;
}

.login-bg-orb-2 {
    width: 360px;
    height: 360px;
    bottom: -80px;
    right: -60px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.5) 0%, transparent 70%);
    animation: loginOrbFloat2 22s ease-in-out infinite;
}

.login-bg-orb-3 {
    width: 280px;
    height: 280px;
    top: 45%;
    right: 15%;
    background: radial-gradient(circle, rgba(192, 132, 252, 0.4) 0%, transparent 70%);
    animation: loginOrbFloat3 15s ease-in-out infinite;
}

.login-bg-orb-4 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 10%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.35) 0%, transparent 70%);
    animation: loginOrbFloat2 20s ease-in-out infinite reverse;
}

[data-bs-theme='light'] .login-bg-orb {
    opacity: 0.5;
}

@keyframes loginOrbFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, 30px) scale(1.08); }
    66% { transform: translate(20px, -20px) scale(0.95); }
}

@keyframes loginOrbFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-35px, -40px) scale(1.1); }
}

@keyframes loginOrbFloat3 {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-25px, 20px); }
    75% { transform: translate(30px, -15px); }
}

/* Decorative rings */
.login-bg-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(168, 85, 247, 0.15);
}

.login-bg-ring-1 {
    width: 600px;
    height: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: loginRingPulse 8s ease-in-out infinite;
}

.login-bg-ring-2 {
    width: 800px;
    height: 800px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-color: rgba(168, 85, 247, 0.08);
    animation: loginRingPulse 8s ease-in-out infinite 2s;
}

[data-bs-theme='light'] .login-bg-ring {
    border-color: rgba(124, 58, 237, 0.12);
}

@keyframes loginRingPulse {
    0%, 100% { opacity: 0.4; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.03); }
}

/* ── Login box & card ── */
body.octal-login .login-box {
    position: relative;
    z-index: 1;
    width: 420px;
    max-width: calc(100vw - 2rem);
    margin: 0 auto;
    padding-top: 8vh;
    padding-bottom: 2rem;
}

body.octal-login .login-theme-toggle {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 1030;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: rgba(168, 85, 247, 0.3) !important;
    color: #fff !important;
}

[data-bs-theme='light'] body.octal-login .login-theme-toggle {
    background: rgba(255, 255, 255, 0.75) !important;
    border-color: rgba(124, 58, 237, 0.25) !important;
    color: var(--octal-text) !important;
}

body.octal-login .login-card {
    background: rgba(17, 17, 17, 0.72);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(168, 85, 247, 0.22);
    border-radius: 1.25rem;
    box-shadow:
        0 24px 64px rgba(0, 0, 0, 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset,
        0 0 80px rgba(168, 85, 247, 0.08);
    overflow: hidden;
}

[data-bs-theme='light'] body.octal-login .login-card {
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(124, 58, 237, 0.18);
    box-shadow:
        0 24px 64px rgba(124, 58, 237, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.9) inset;
}

body.octal-login .login-card::before {
    content: '';
    display: block;
    height: 3px;
    background: linear-gradient(90deg, #7c3aed, #a855f7, #c084fc, #a855f7, #7c3aed);
    background-size: 200% 100%;
    animation: loginShimmer 4s linear infinite;
}

@keyframes loginShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

body.octal-login .login-card .card-header {
    background: transparent;
    padding: 2rem 2rem 0.5rem;
}

body.octal-login .login-card .card-body {
    padding: 1rem 2rem 2rem;
}

body.octal-login .login-tagline {
    font-size: 0.82rem;
    color: var(--octal-text-muted);
    letter-spacing: 0.02em;
}

body.octal-login .login-box-msg {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--octal-text);
    margin-bottom: 1.25rem;
}

body.octal-login .input-group .form-control {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(168, 85, 247, 0.2);
    color: var(--octal-text);
    padding: 0.65rem 0.85rem;
    border-radius: 0.65rem 0 0 0.65rem;
}

body.octal-login .input-group .form-control:focus {
    background: rgba(168, 85, 247, 0.08);
    border-color: var(--octal-purple);
    box-shadow: 0 0 0 3px var(--octal-purple-soft);
    color: var(--octal-text);
}

[data-bs-theme='light'] body.octal-login .input-group .form-control {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--octal-border);
}

body.octal-login .input-group-text {
    background: rgba(168, 85, 247, 0.12);
    border-color: rgba(168, 85, 247, 0.2);
    color: var(--octal-purple);
    border-radius: 0 0.65rem 0.65rem 0;
}

body.octal-login button.input-group-text.login-toggle-password {
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

body.octal-login button.input-group-text.login-toggle-password:hover {
    background: rgba(168, 85, 247, 0.22);
    color: var(--octal-purple-dark);
}

body.octal-login button.input-group-text.login-toggle-password:focus {
    box-shadow: 0 0 0 3px var(--octal-purple-soft);
    outline: none;
}

body.octal-login .btn-login {
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #9333ea 100%);
    border: none;
    border-radius: 0.65rem;
    padding: 0.7rem 1rem;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

body.octal-login .btn-login:hover {
    background: linear-gradient(135deg, #6d28d9 0%, #9333ea 50%, #7c3aed 100%);
    transform: translateY(-1px);
    box-shadow: 0 8px 28px rgba(124, 58, 237, 0.5);
}

body.octal-login .btn-login:active {
    transform: translateY(0);
}

body.octal-login a {
    color: var(--octal-purple-light);
}

[data-bs-theme='light'] body.octal-login a {
    color: var(--octal-purple-dark);
}

body.octal-login a:hover {
    color: var(--octal-purple);
}

body.octal-login .form-check-input:checked {
    background-color: var(--octal-purple);
    border-color: var(--octal-purple);
}

/* Brand watermark behind card */
.login-brand-watermark {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
    font-size: 0.75rem;
    color: rgba(168, 85, 247, 0.35);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 600;
    pointer-events: none;
}

[data-bs-theme='light'] .login-brand-watermark {
    color: rgba(124, 58, 237, 0.3);
}

@media (max-width: 575.98px) {
    body.octal-login .login-box {
        padding-top: 5vh;
    }

    body.octal-login .login-card .card-header,
    body.octal-login .login-card .card-body {
        padding-left: 1.35rem;
        padding-right: 1.35rem;
    }

    .login-bg-orb-1 { width: 280px; height: 280px; }
    .login-bg-orb-2 { width: 240px; height: 240px; }
    .login-bg-orb-3 { width: 180px; height: 180px; }
}

@media (prefers-reduced-motion: reduce) {
    .login-bg-orb,
    .login-bg-ring,
    .login-card::before {
        animation: none;
    }
}