/* Onak — Inventory & Invoice login */

:root {
    --onak-navy: #16245c;
    --onak-navy-deep: #0b1638;
    --onak-navy-mid: #1e3278;
    --onak-gold: #c59129;
    --onak-gold-bright: #d4a53c;
    --onak-gold-soft: rgba(197, 145, 41, 0.35);
    --onak-ink: #121a3a;
    --onak-muted: #5a6488;
    --onak-panel: rgba(255, 255, 255, 0.96);
    --onak-shadow: 0 24px 64px rgba(11, 22, 56, 0.45);
    --onak-radius: 18px;
    --font-display: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-ui: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

html {
    height: -webkit-fill-available;
}

body.onak-login {
    min-height: 100vh;
    min-height: -webkit-fill-available;
    margin: 0;
    font-family: var(--font-ui);
    color: var(--onak-ink);
    background-color: var(--onak-navy-deep);
    overflow-x: hidden;
}

/* Full-bleed electronics backdrop */
.onak-stage {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem 1rem 1rem;
    background:
        linear-gradient(115deg, rgba(11, 22, 56, 0.88) 0%, rgba(22, 36, 92, 0.72) 48%, rgba(11, 22, 56, 0.82) 100%),
        url("../images/branding/onak-login-bg.jpg") center / cover no-repeat fixed;
}

.onak-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 15% 40%, rgba(197, 145, 41, 0.12), transparent 55%),
        linear-gradient(180deg, transparent 70%, rgba(11, 22, 56, 0.55) 100%);
    pointer-events: none;
}

.onak-circuit {
    position: absolute;
    inset: 0;
    opacity: 0.18;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(197, 145, 41, 0.35) 1px, transparent 1px),
        linear-gradient(90deg, rgba(197, 145, 41, 0.35) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 20%, transparent 75%);
    animation: circuitDrift 28s linear infinite;
}

@keyframes circuitDrift {
    from { background-position: 0 0, 0 0; }
    to { background-position: 48px 48px, 48px 48px; }
}

.onak-shell {
    position: relative;
    z-index: 1;
    width: min(1080px, 100%);
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 0;
    background: var(--onak-panel);
    border-radius: var(--onak-radius);
    box-shadow: var(--onak-shadow);
    overflow: hidden;
    animation: shellRise 0.7s ease-out both;
}

@keyframes shellRise {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.985);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.onak-brand {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2.75rem 2.25rem;
    background:
        linear-gradient(160deg, #f7f8fc 0%, #eef1f8 55%, #e8ecf6 100%);
    border-right: 1px solid rgba(22, 36, 92, 0.08);
    position: relative;
}

.onak-brand::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--onak-gold), var(--onak-navy));
}

.onak-logo {
    width: min(320px, 88%);
    height: auto;
    object-fit: contain;
    animation: logoReveal 0.9s ease-out 0.15s both;
}

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

.onak-product-line {
    margin: 1.35rem 0 0;
    max-width: 18rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--onak-navy);
    animation: logoReveal 0.9s ease-out 0.35s both;
}

.onak-product-line span {
    display: inline-block;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--onak-gold);
}

.onak-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2.5rem 2.35rem;
}

.onak-panel form {
    width: 100%;
}

.onak-heading {
    margin: 0 0 0.35rem;
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--onak-navy);
    letter-spacing: -0.02em;
}

.onak-subheading {
    margin: 0 0 1.5rem;
    font-size: 0.95rem;
    color: var(--onak-muted);
}

.box-login .form-floating:focus-within,
.box-login .input-group:focus-within {
    z-index: 2;
}

.box-login input[name="username"],
.box-login span[id="input-username"] {
    margin-bottom: -1px;
    border-bottom-right-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
}

.box-login input[name="password"],
.box-login span[id="input-password"] {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.onak-panel .form-control,
.onak-panel .input-group-text {
    border-color: rgba(22, 36, 92, 0.18);
    background: #fbfcff;
}

.onak-panel .form-control:focus {
    border-color: var(--onak-gold);
    box-shadow: 0 0 0 0.2rem var(--onak-gold-soft);
}

.onak-panel .form-floating > label {
    color: var(--onak-muted);
}

.onak-btn {
    --bs-btn-bg: var(--onak-navy);
    --bs-btn-border-color: var(--onak-navy);
    --bs-btn-hover-bg: var(--onak-navy-mid);
    --bs-btn-hover-border-color: var(--onak-navy-mid);
    --bs-btn-active-bg: var(--onak-navy-deep);
    --bs-btn-active-border-color: var(--onak-navy-deep);
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    letter-spacing: 0.04em;
    font-weight: 600;
    padding-block: 0.85rem;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    box-shadow: 0 10px 24px rgba(22, 36, 92, 0.28);
}

.onak-btn::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 3px;
    background: linear-gradient(90deg, var(--onak-gold), var(--onak-gold-bright));
}

.onak-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(22, 36, 92, 0.34);
}

.alert div:not(:first-child) {
    margin-top: 1rem;
}

.bi {
    height: 1em;
}

@media (max-width: 767.98px) {
    .onak-stage {
        padding: 1rem 0.75rem;
        background-attachment: scroll;
    }

    .onak-shell {
        grid-template-columns: 1fr;
    }

    .onak-brand {
        padding: 1.75rem 1.5rem 1.25rem;
        border-right: none;
        border-bottom: 1px solid rgba(22, 36, 92, 0.08);
    }

    .onak-brand::after {
        top: auto;
        right: auto;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 3px;
        background: linear-gradient(90deg, var(--onak-gold), var(--onak-navy));
    }

    .onak-logo {
        width: min(240px, 78%);
    }

    .onak-panel {
        padding: 1.5rem 1.35rem 1.75rem;
    }

    .onak-heading {
        font-size: 1.4rem;
    }
}

@media (max-width: 359.98px) {
    .g-recaptcha {
        overflow-x: auto;
        min-height: 86px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .onak-shell,
    .onak-logo,
    .onak-product-line,
    .onak-circuit,
    .onak-btn {
        animation: none !important;
        transition: none !important;
    }
}