/* =========================================================
   BNG LOGIN PAGE
   Complete Responsive Stylesheet
   Theme: Professional Crypto Light
   ========================================================= */


/* =========================================================
   1. ROOT VARIABLES
   ========================================================= */

:root {
    --primary-yellow: #F0B90B;
    --primary-yellow-hover: #DFAE00;
    --primary-yellow-soft: #FFF8DB;

    --background: #FFFFFF;
    --secondary-background: #F5F5F5;
    --card-background: #FFFFFF;

    --main-text: #181A20;
    --secondary-text: #707A8A;
    --muted-text: #929AA5;

    --border-color: #EAECEF;
    --border-dark: #D8DCE1;

    --success: #0ECB81;
    --success-soft: #E9FFF6;

    --danger: #F6465D;
    --danger-soft: #FFF0F2;

    --info: #1E80FF;
    --info-soft: #EEF6FF;

    --shadow-small:
        0 4px 14px rgba(24, 26, 32, 0.05);

    --shadow-medium:
        0 12px 32px rgba(24, 26, 32, 0.08);

    --shadow-large:
        0 24px 60px rgba(24, 26, 32, 0.12);

    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 16px;
    --radius-extra-large: 24px;

    --transition-fast: 160ms ease;
    --transition-normal: 240ms ease;

    --container-width: 1180px;
}


/* =========================================================
   2. RESET
   ========================================================= */

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

html {
    width: 100%;
    min-width: 320px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    width: 100%;
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    background: var(--background);
    color: var(--main-text);
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;
    font-size: 16px;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

button,
input,
textarea,
select {
    font: inherit;
}

button,
a,
input {
    -webkit-tap-highlight-color: transparent;
}

button {
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

img,
svg {
    display: block;
    max-width: 100%;
}

input {
    min-width: 0;
}

[hidden] {
    display: none !important;
}


/* =========================================================
   3. ACCESSIBILITY
   ========================================================= */

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 9999;
    padding: 10px 14px;
    border-radius: var(--radius-small);
    background: var(--main-text);
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 700;
    transform: translateY(-160%);
    transition: transform var(--transition-fast);
}

.skip-link:focus {
    transform: translateY(0);
}

:focus-visible {
    outline: 3px solid rgba(240, 185, 11, 0.35);
    outline-offset: 2px;
}


/* =========================================================
   4. PAGE STRUCTURE
   ========================================================= */

.auth-page {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    background:
        radial-gradient(
            circle at top right,
            rgba(240, 185, 11, 0.08),
            transparent 32%
        ),
        var(--background);
}

.auth-header,
.auth-footer {
    flex-shrink: 0;
}

.auth-main {
    display: flex;
    flex: 1;
    width: 100%;
    align-items: center;
    justify-content: center;
    padding: 24px 16px 36px;
}


/* =========================================================
   5. HEADER
   ========================================================= */

.auth-header {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.auth-header__container {
    display: flex;
    width: 100%;
    max-width: var(--container-width);
    min-height: 70px;
    margin: 0 auto;
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: 12px;
    color: var(--main-text);
    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast);
}

.brand:hover {
    opacity: 0.9;
}

.brand:active {
    transform: scale(0.98);
}

.brand__mark {
    display: inline-flex;
    width: 42px;
    height: 42px;
    min-width: 42px;
    max-width: 42px;
    flex: 0 0 42px;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    overflow: visible;
}

.brand__logo {
    display: block;
    width: 42px;
    height: 42px;
    min-width: 42px;
    max-width: 42px;
    object-fit: contain;
    object-position: center;
    transform: scaleX(1.14);
    transform-origin: center;
}

.brand__name {
    overflow: hidden;
    color: var(--main-text);
    font-size: 21px;
    font-weight: 800;
    letter-spacing: 0.3px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-help-link {
    display: inline-flex;
    min-height: 42px;
    padding: 0 4px;
    align-items: center;
    justify-content: center;
    color: var(--secondary-text);
    font-size: 14px;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.header-help-link:hover {
    color: var(--primary-yellow-hover);
}


/* =========================================================
   6. AUTH LAYOUT
   ========================================================= */

.auth-layout {
    display: grid;
    width: 100%;
    max-width: 1060px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-large);
    background: var(--card-background);
    box-shadow: var(--shadow-medium);
}


/* =========================================================
   7. SHOWCASE PANEL
   ========================================================= */

.auth-showcase {
    display: none;
    position: relative;
    overflow: hidden;
    padding: 48px;
    flex-direction: column;
    justify-content: space-between;
    background:
        linear-gradient(
            145deg,
            #FFFDF4 0%,
            #FFF8DC 52%,
            #FFF1B8 100%
        );
    color: var(--main-text);
}

.auth-showcase::before {
    position: absolute;
    top: -90px;
    right: -90px;
    width: 260px;
    height: 260px;
    border: 50px solid rgba(240, 185, 11, 0.13);
    border-radius: 50%;
    content: "";
}

.auth-showcase::after {
    position: absolute;
    bottom: -130px;
    left: -110px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(240, 185, 11, 0.08);
    content: "";
}

.auth-showcase__content,
.auth-showcase__footer {
    position: relative;
    z-index: 1;
}

.eyebrow {
    display: inline-flex;
    width: fit-content;
    min-height: 32px;
    padding: 6px 12px;
    align-items: center;
    border: 1px solid rgba(240, 185, 11, 0.28);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: #9B7500;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.auth-showcase__title {
    max-width: 490px;
    margin: 22px 0 14px;
    color: var(--main-text);
    font-size: clamp(34px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -1.6px;
}

.auth-showcase__description {
    max-width: 500px;
    margin: 0;
    color: var(--secondary-text);
    font-size: 16px;
    line-height: 1.75;
}

.trust-points {
    display: grid;
    margin-top: 38px;
    gap: 18px;
}

.trust-point {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.trust-point__icon {
    display: inline-flex;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(240, 185, 11, 0.28);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.8);
    color: #A07900;
    box-shadow: var(--shadow-small);
}

.trust-point__icon svg {
    width: 22px;
    height: 22px;
}

.trust-point div {
    display: grid;
    gap: 3px;
}

.trust-point strong {
    color: var(--main-text);
    font-size: 15px;
    font-weight: 700;
}

.trust-point span {
    color: var(--secondary-text);
    font-size: 14px;
}

.auth-showcase__footer {
    display: flex;
    margin-top: 44px;
    align-items: center;
    gap: 9px;
    color: var(--secondary-text);
    font-size: 13px;
    font-weight: 600;
}

.status-dot {
    width: 9px;
    height: 9px;
    flex: 0 0 9px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 5px rgba(14, 203, 129, 0.13);
}


/* =========================================================
   8. AUTH PANEL
   ========================================================= */

.auth-panel {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    background: var(--card-background);
}

.auth-card {
    width: 100%;
    max-width: 520px;
    padding: 28px 20px 30px;
}

.auth-card__header {
    margin-bottom: 26px;
}

.auth-card__label {
    display: inline-block;
    margin-bottom: 8px;
    color: #A27B00;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.auth-card__title {
    margin: 0;
    color: var(--main-text);
    font-size: 28px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.7px;
}

.auth-card__description {
    margin: 10px 0 0;
    color: var(--secondary-text);
    font-size: 14px;
    line-height: 1.65;
}


/* =========================================================
   9. FORM ALERTS
   ========================================================= */

.form-alert {
    width: 100%;
    margin-bottom: 18px;
    padding: 13px 14px;
    border: 1px solid rgba(246, 70, 93, 0.24);
    border-radius: var(--radius-medium);
    background: var(--danger-soft);
    color: #B72338;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
}

.form-alert.is-success {
    border-color: rgba(14, 203, 129, 0.25);
    background: var(--success-soft);
    color: #087C51;
}

.form-alert.is-info {
    border-color: rgba(30, 128, 255, 0.23);
    background: var(--info-soft);
    color: #145BB5;
}


/* =========================================================
   10. FORM
   ========================================================= */

.auth-form {
    display: grid;
    width: 100%;
    gap: 20px;
}

.form-group {
    display: grid;
    width: 100%;
    gap: 8px;
}

.form-label-row {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.form-label {
    color: var(--main-text);
    font-size: 14px;
    font-weight: 700;
}

.forgot-password-link {
    color: #9A7600;
    font-size: 13px;
    font-weight: 700;
    transition: color var(--transition-fast);
}

.forgot-password-link:hover {
    color: var(--primary-yellow-hover);
    text-decoration: underline;
}

.input-wrapper {
    display: flex;
    position: relative;
    width: 100%;
    align-items: center;
}

.input-icon {
    display: inline-flex;
    position: absolute;
    left: 15px;
    z-index: 2;
    width: 20px;
    height: 20px;
    align-items: center;
    justify-content: center;
    color: var(--secondary-text);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-icon svg {
    width: 20px;
    height: 20px;
}

.form-input {
    width: 100%;
    height: 52px;
    padding: 0 16px 0 47px;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-medium);
    outline: none;
    background: #FFFFFF;
    color: var(--main-text);
    font-size: 15px;
    font-weight: 500;
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        background var(--transition-fast);
}

.form-input--password {
    padding-right: 50px;
}

.form-input::placeholder {
    color: #A3AAB4;
    opacity: 1;
}

.form-input:hover {
    border-color: #C9CED6;
}

.form-input:focus {
    border-color: var(--primary-yellow);
    background: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(240, 185, 11, 0.13);
}

.input-wrapper:focus-within .input-icon {
    color: #A47C00;
}

.form-input.is-invalid {
    border-color: var(--danger);
    background: #FFFDFD;
    box-shadow: 0 0 0 4px rgba(246, 70, 93, 0.1);
}

.form-input.is-valid {
    border-color: var(--success);
    box-shadow: 0 0 0 4px rgba(14, 203, 129, 0.09);
}

.form-input:disabled {
    cursor: not-allowed;
    background: var(--secondary-background);
    color: var(--muted-text);
    opacity: 0.75;
}

.password-toggle {
    display: inline-flex;
    position: absolute;
    right: 7px;
    z-index: 3;
    width: 40px;
    height: 40px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    background: transparent;
    color: var(--secondary-text);
    transition:
        color var(--transition-fast),
        background var(--transition-fast);
}

.password-toggle:hover {
    background: var(--secondary-background);
    color: var(--main-text);
}

.password-toggle:active {
    transform: scale(0.96);
}

.password-toggle svg {
    width: 21px;
    height: 21px;
}

.form-error {
    min-height: 18px;
    color: var(--danger);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.45;
}


/* =========================================================
   11. FORM OPTIONS
   ========================================================= */

.form-options {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
}

.checkbox-control {
    display: inline-flex;
    position: relative;
    min-height: 32px;
    cursor: pointer;
    align-items: center;
    gap: 10px;
    color: var(--secondary-text);
    user-select: none;
}

.checkbox-control input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.checkbox-control__box {
    display: inline-flex;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--border-dark);
    border-radius: 6px;
    background: #FFFFFF;
    color: transparent;
    transition:
        border-color var(--transition-fast),
        background var(--transition-fast),
        color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.checkbox-control__box svg {
    width: 13px;
    height: 13px;
}

.checkbox-control:hover .checkbox-control__box {
    border-color: var(--primary-yellow);
}

.checkbox-control input:checked + .checkbox-control__box {
    border-color: var(--primary-yellow);
    background: var(--primary-yellow);
    color: var(--main-text);
}

.checkbox-control input:focus-visible + .checkbox-control__box {
    box-shadow: 0 0 0 4px rgba(240, 185, 11, 0.16);
}

.checkbox-control__text {
    font-size: 14px;
    font-weight: 600;
}


/* =========================================================
   12. BUTTONS
   ========================================================= */

.button {
    display: inline-flex;
    min-height: 52px;
    padding: 0 20px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: var(--radius-medium);
    font-size: 15px;
    font-weight: 800;
    line-height: 1;
    text-align: center;
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.button--full {
    width: 100%;
}

.button--primary {
    border: 1px solid var(--primary-yellow);
    background: var(--primary-yellow);
    color: var(--main-text);
    box-shadow: 0 8px 18px rgba(240, 185, 11, 0.22);
}

.button--primary:hover {
    border-color: var(--primary-yellow-hover);
    background: var(--primary-yellow-hover);
    box-shadow: 0 10px 22px rgba(223, 174, 0, 0.25);
    transform: translateY(-1px);
}

.button--primary:active {
    box-shadow: 0 4px 12px rgba(223, 174, 0, 0.18);
    transform: translateY(0);
}

.button--secondary {
    border: 1px solid var(--border-dark);
    background: #FFFFFF;
    color: var(--main-text);
}

.button--secondary:hover {
    border-color: #BFC5CD;
    background: var(--secondary-background);
    transform: translateY(-1px);
}

.button--secondary:active {
    transform: translateY(0);
}

.button:disabled,
.button.is-loading {
    cursor: not-allowed;
    opacity: 0.68;
    transform: none;
}

.button__loader {
    width: 19px;
    height: 19px;
    border: 2px solid rgba(24, 26, 32, 0.25);
    border-top-color: var(--main-text);
    border-radius: 50%;
    animation: button-spin 700ms linear infinite;
}

@keyframes button-spin {
    to {
        transform: rotate(360deg);
    }
}


/* =========================================================
   13. ACCOUNT SWITCH
   ========================================================= */

.auth-switch {
    margin: 22px 0 0;
    color: var(--secondary-text);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}

.auth-switch a {
    color: #947100;
    font-weight: 800;
    transition: color var(--transition-fast);
}

.auth-switch a:hover {
    color: var(--primary-yellow-hover);
    text-decoration: underline;
}


/* =========================================================
   14. SECURITY NOTE
   ========================================================= */

.security-note {
    display: flex;
    margin-top: 22px;
    padding: 13px 14px;
    align-items: flex-start;
    gap: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    background: var(--secondary-background);
}

.security-note__icon {
    display: inline-flex;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    align-items: center;
    justify-content: center;
    color: var(--secondary-text);
}

.security-note__icon svg {
    width: 20px;
    height: 20px;
}

.security-note p {
    margin: 0;
    color: var(--secondary-text);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.55;
}


/* =========================================================
   15. FOOTER
   ========================================================= */

.auth-footer {
    width: 100%;
    border-top: 1px solid var(--border-color);
    background: #FFFFFF;
}

.auth-footer__container {
    display: flex;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 20px 16px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.auth-footer p {
    margin: 0;
    color: var(--secondary-text);
    font-size: 13px;
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 18px;
}

.footer-links a {
    color: var(--secondary-text);
    font-size: 13px;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-yellow-hover);
}


/* =========================================================
   16. NOSCRIPT
   ========================================================= */

.noscript-message {
    position: fixed;
    right: 14px;
    bottom: 14px;
    left: 14px;
    z-index: 9999;
    padding: 14px 16px;
    border: 1px solid rgba(246, 70, 93, 0.25);
    border-radius: var(--radius-medium);
    background: var(--danger-soft);
    color: #B72338;
    box-shadow: var(--shadow-medium);
    font-size: 14px;
    font-weight: 700;
    text-align: center;
}


/* =========================================================
   17. MOBILE EXTRA SMALL
   ========================================================= */

@media (max-width: 374px) {
    .auth-main {
        padding-right: 12px;
        padding-left: 12px;
    }

    .auth-header__container {
        padding-right: 12px;
        padding-left: 12px;
    }

    .brand {
        gap: 10px;
    }

    .brand__mark,
    .brand__logo {
        width: 38px;
        height: 38px;
        min-width: 38px;
        max-width: 38px;
    }

    .brand__mark {
        flex-basis: 38px;
    }

    .brand__name {
        font-size: 19px;
    }

    .header-help-link {
        font-size: 13px;
    }

    .auth-card {
        padding-right: 16px;
        padding-left: 16px;
    }

    .auth-card__title {
        font-size: 25px;
    }

    .form-label-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .button {
        min-height: 50px;
    }
}


/* =========================================================
   18. TABLET
   ========================================================= */

@media (min-width: 640px) {
    .auth-main {
        padding: 40px 24px 48px;
    }

    .auth-header__container {
        min-height: 76px;
        padding-right: 24px;
        padding-left: 24px;
    }

    .brand__mark,
    .brand__logo {
        width: 46px;
        height: 46px;
        min-width: 46px;
        max-width: 46px;
    }

    .brand__mark {
        flex-basis: 46px;
    }

    .brand__name {
        font-size: 23px;
    }

    .auth-layout {
        border-radius: var(--radius-extra-large);
    }

    .auth-card {
        padding: 46px 44px;
    }

    .auth-card__title {
        font-size: 32px;
    }

    .auth-card__description {
        font-size: 15px;
    }

    .auth-footer__container {
        padding-right: 24px;
        padding-left: 24px;
        flex-direction: row;
        justify-content: space-between;
    }

    .auth-footer p {
        text-align: left;
    }
}


/* =========================================================
   19. DESKTOP
   ========================================================= */

@media (min-width: 900px) {
    .auth-layout {
        grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
        min-height: 660px;
    }

    .auth-showcase {
        display: flex;
    }

    .auth-panel {
        min-height: 660px;
    }

    .auth-card {
        max-width: 500px;
        padding: 54px 48px;
    }
}


/* =========================================================
   20. LARGE DESKTOP
   ========================================================= */

@media (min-width: 1200px) {
    .auth-main {
        padding-top: 54px;
        padding-bottom: 58px;
    }

    .auth-layout {
        min-height: 680px;
    }

    .auth-showcase {
        padding: 56px;
    }

    .auth-panel {
        min-height: 680px;
    }
}


/* =========================================================
   21. SHORT SCREEN HEIGHT
   ========================================================= */

@media (max-height: 760px) and (min-width: 900px) {
    .auth-main {
        align-items: flex-start;
        padding-top: 28px;
        padding-bottom: 28px;
    }

    .auth-layout,
    .auth-panel {
        min-height: 620px;
    }

    .auth-showcase {
        padding: 40px;
    }

    .auth-showcase__title {
        font-size: 38px;
    }

    .trust-points {
        margin-top: 28px;
        gap: 14px;
    }

    .auth-card {
        padding-top: 38px;
        padding-bottom: 38px;
    }
}


/* =========================================================
   22. REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}


/* =========================================================
   23. PRINT
   ========================================================= */

@media print {
    .auth-header,
    .auth-footer,
    .auth-showcase,
    .button,
    .security-note {
        display: none !important;
    }

    .auth-page,
    .auth-main,
    .auth-panel,
    .auth-layout,
    .auth-card {
        display: block;
        min-height: auto;
        padding: 0;
        border: 0;
        background: #FFFFFF;
        box-shadow: none;
    }
}