:root {
    color-scheme: light;
    --buyer-bg: #eee8da;
    --buyer-surface: #fffdf8;
    --buyer-surface-soft: #f8f3e8;
    --buyer-text: #28241b;
    --buyer-muted: #746e61;
    --buyer-gold: #b78b19;
    --buyer-gold-dark: #8d6810;
    --buyer-border: rgba(112,91,42,.2);
    --buyer-danger: #a83d3d;
    --buyer-success: #26774a;
}

* {
    box-sizing: border-box;
}

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

body,
button,
input {
    font-family: "Segoe UI", Arial, sans-serif;
}

body {
    color: var(--buyer-text);
    background: radial-gradient( circle at 15% 10%, rgba(255,255,255,.95), transparent 30rem ), linear-gradient(135deg,#f5f0e4,#e7dfcf);
}

.buyer-access-page {
    display: flex;
    min-height: 100vh;
    padding: 2rem;
    align-items: center;
    justify-content: center;
}

.buyer-access-shell {
    width: min(100%,1050px);
}

.buyer-access-header {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
    align-items: center;
}

    .buyer-access-header img {
        display: block;
        width: 115px;
    }

    .buyer-access-header span,
    .buyer-access-header strong {
        display: block;
    }

    .buyer-access-header span {
        color: var(--buyer-gold-dark);
        font-size: .75rem;
        font-weight: 800;
        letter-spacing: .1em;
        text-transform: uppercase;
    }

    .buyer-access-header strong {
        margin-top: .25rem;
        font-size: 1.05rem;
    }

.buyer-access-grid {
    display: grid;
    overflow: hidden;
    grid-template-columns: 1fr .9fr;
    border: 1px solid var(--buyer-border);
    border-radius: 24px;
    background: var(--buyer-surface);
    box-shadow: 0 25px 70px rgba(74,59,25,.15);
}

.buyer-login-card,
.buyer-register-card {
    padding: clamp(1.5rem,5vw,3rem);
}

.buyer-card-title > span,
.buyer-register-label {
    color: var(--buyer-gold-dark);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.buyer-card-title h1 {
    margin: .35rem 0 0;
    font-size: clamp(2rem,5vw,3rem);
}

.buyer-card-title p,
.buyer-register-card p {
    color: var(--buyer-muted);
    line-height: 1.6;
}

.buyer-register-card {
    background: linear-gradient( 145deg, rgba(183,139,25,.14), rgba(255,255,255,.35) ), var(--buyer-surface-soft);
}

    .buyer-register-card h2 {
        margin: .6rem 0;
        font-size: clamp(1.5rem,4vw,2.1rem);
    }

    .buyer-register-card ul {
        margin: 1.3rem 0 1.8rem;
        padding-left: 1.2rem;
        color: var(--buyer-muted);
    }

    .buyer-register-card li {
        margin-bottom: .6rem;
    }

.buyer-field {
    margin-top: 1.1rem;
}

    .buyer-field label {
        display: block;
        margin-bottom: .45rem;
        font-weight: 700;
    }

.buyer-input {
    width: 100%;
    padding: .9rem 1rem;
    border: 1px solid var(--buyer-border);
    border-radius: 11px;
    outline: none;
    background: #fff;
    color: var(--buyer-text);
    font: inherit;
}

    .buyer-input:focus {
        border-color: var(--buyer-gold);
        box-shadow: 0 0 0 3px rgba(183,139,25,.1);
    }

.buyer-login-options {
    margin: .8rem 0 1.2rem;
    text-align: right;
}

    .buyer-login-options a,
    .buyer-access-footer a {
        color: var(--buyer-gold-dark);
        font-weight: 700;
        text-decoration: none;
    }

.buyer-primary-button,
.buyer-secondary-button {
    display: inline-block;
    width: 100%;
    padding: .9rem 1rem;
    border: 1px solid var(--buyer-gold);
    border-radius: 11px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    font-weight: 800;
}

.buyer-primary-button {
    background: linear-gradient( 135deg, #c99b27, #a87812 );
    color: #fff;
}

.buyer-secondary-button {
    background: rgba(255,255,255,.6);
    color: var(--buyer-gold-dark);
}

.buyer-message {
    margin-top: 1rem;
    padding: .85rem 1rem;
    border-radius: 10px;
}

.buyer-message-error {
    border: 1px solid rgba(168,61,61,.3);
    background: rgba(168,61,61,.07);
    color: var(--buyer-danger);
}

.buyer-message-success {
    border: 1px solid rgba(38,119,74,.3);
    background: rgba(38,119,74,.07);
    color: var(--buyer-success);
}

.buyer-access-footer {
    display: flex;
    padding: 1rem .25rem;
    justify-content: space-between;
    color: var(--buyer-muted);
    font-size: .85rem;
}

@media (max-width: 760px) {
    .buyer-access-page {
        padding: 1rem;
        align-items: flex-start;
    }

    .buyer-access-grid {
        grid-template-columns: 1fr;
    }

    .buyer-access-header div {
        display: none;
    }

    .buyer-access-footer {
        gap: .7rem;
        flex-direction: column;
        text-align: center;
    }
}

.buyer-registration-page {
    min-height: 100vh;
    padding: 2rem;
}

.buyer-registration-shell {
    width: min(100%,1050px);
    margin: 0 auto;
}

.buyer-registration-header {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

    .buyer-registration-header img {
        width: 115px;
    }

    .buyer-registration-header span {
        color: var(--buyer-gold-dark);
        font-size: .75rem;
        font-weight: 800;
        letter-spacing: .1em;
        text-transform: uppercase;
    }

    .buyer-registration-header h1 {
        margin: .25rem 0;
    }

    .buyer-registration-header p {
        margin: 0;
        color: var(--buyer-muted);
    }

.buyer-form-card {
    overflow: hidden;
    border: 1px solid var(--buyer-border);
    border-radius: 22px;
    background: var(--buyer-surface);
    box-shadow: 0 20px 60px rgba(74,59,25,.12);
}

.buyer-form-section {
    padding: 1.5rem;
    border-bottom: 1px solid var(--buyer-border);
}

.buyer-section-title {
    display: flex;
    gap: .8rem;
    margin-bottom: 1.2rem;
    align-items: center;
}

    .buyer-section-title > span {
        display: grid;
        width: 34px;
        height: 34px;
        border-radius: 50%;
        place-items: center;
        background: var(--buyer-gold);
        color: #fff;
        font-weight: 800;
    }

    .buyer-section-title strong,
    .buyer-section-title small {
        display: block;
    }

    .buyer-section-title small {
        margin-top: .2rem;
        color: var(--buyer-muted);
    }

.buyer-form-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 1rem;
}

    .buyer-form-grid label {
        display: block;
        margin-bottom: .45rem;
        font-weight: 700;
    }

.buyer-field-wide {
    grid-column: span 2;
}

.buyer-field-help {
    margin: .8rem 0 0;
    color: var(--buyer-muted);
    font-size: .85rem;
}

.buyer-form-footer {
    padding: 1.5rem;
}

.buyer-acceptance {
    display: flex;
    gap: .7rem;
    align-items: flex-start;
    color: var(--buyer-muted);
    line-height: 1.5;
}

    .buyer-acceptance input {
        width: 18px;
        height: 18px;
        accent-color: var(--buyer-gold);
    }

.buyer-form-actions {
    display: flex;
    gap: .8rem;
    margin-top: 1.3rem;
    justify-content: flex-end;
}

.buyer-submit-button {
    width: auto;
}

.buyer-back-button {
    padding: .9rem 1.2rem;
    border: 1px solid var(--buyer-border);
    border-radius: 11px;
    color: var(--buyer-text);
    text-decoration: none;
    font-weight: 700;
}

@media (max-width: 650px) {
    .buyer-registration-page {
        padding: 1rem;
    }

    .buyer-form-grid {
        grid-template-columns: 1fr;
    }

    .buyer-field-wide {
        grid-column: auto;
    }

    .buyer-registration-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .buyer-form-actions {
        flex-direction: column;
    }

    .buyer-submit-button {
        width: 100%;
    }

    .buyer-back-button {
        text-align: center;
    }
}

.buyer-access-header img,
.buyer-registration-header img {
    padding: .45rem;
    border-radius: 10px;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,.95)) drop-shadow(0 2px 3px rgba(0,0,0,.55));
}

.buyer-reset-shell {
    width: min(100%,560px);
}

.buyer-reset-card {
    padding: clamp(1.5rem,5vw,2.5rem);
    border: 1px solid var(--buyer-border);
    border-radius: 22px;
    background: var(--buyer-surface);
    box-shadow: 0 20px 60px rgba(74,59,25,.13);
}

    .buyer-reset-card h2 {
        margin: .4rem 0;
        font-size: 1.8rem;
    }

.buyer-reset-warning {
    margin: 1rem 0;
    padding: .85rem 1rem;
    border-left: 3px solid var(--buyer-gold);
    border-radius: 6px;
    background: var(--buyer-surface-soft);
    color: var(--buyer-muted);
    line-height: 1.5;
}

.buyer-reset-back {
    display: block;
    margin-top: 1rem;
    color: var(--buyer-gold-dark);
    text-align: center;
    text-decoration: none;
    font-weight: 700;
}