.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(520px, 0.95fr);
    background:
        radial-gradient(ellipse at top left, color-mix(in srgb, var(--mud-palette-primary) 8%, transparent) 0%, transparent 45%),
        radial-gradient(ellipse at bottom right, color-mix(in srgb, var(--mud-palette-primary-darken) 10%, transparent) 0%, transparent 42%),
        var(--mud-palette-background);
}

.auth-brand {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 40px clamp(28px, 4vw, 64px);
    background:
        radial-gradient(ellipse at 80% 12%, color-mix(in srgb, var(--mud-palette-primary) 16%, transparent) 0%, transparent 52%),
        linear-gradient(160deg, #0d1614 0%, #0a0d0b 100%);
    border-right: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 90%, transparent);
    overflow: hidden;
}

.auth-brand::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(color-mix(in srgb, #ffffff 2.5%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, #ffffff 2.5%, transparent) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.auth-brand-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.auth-logo {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    margin-bottom: auto;
}

.auth-logo-mark {
    font-family: var(--mud-typography-h2-family);
    font-size: 28px;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--mud-palette-text-primary);
}

.auth-logo-mark .accent {
    color: var(--mud-palette-primary-lighten);
    font-style: italic;
}

.auth-brand-body {
    position: relative;
    z-index: 1;
    max-width: 620px;
    margin: auto 0 40px;
}

.auth-brand-pill,
.auth-form-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-primary-darken) 45%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, #0A2A27 72%, transparent);
    color: var(--mud-palette-primary-lighten);
    font-family: var(--mud-typography-default-family);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.auth-pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--mud-palette-primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--mud-palette-primary) 12%, transparent);
}

.auth-brand-title {
    margin: 26px 0 18px;
    font-family: var(--mud-typography-h2-family);
    font-size: clamp(54px, 6vw, 88px);
    line-height: 0.98;
    letter-spacing: -0.04em;
    color: var(--mud-palette-text-primary);
}

.auth-brand-title em {
    color: var(--mud-palette-primary-lighten);
    font-style: italic;
}

.auth-brand-desc {
    max-width: 540px;
    margin: 0 0 28px;
    color: var(--mud-palette-text-secondary);
    font-family: var(--mud-typography-default-family);
    font-size: 18px;
    line-height: 1.58;
}

.auth-brand-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.auth-metric {
    padding: 18px 16px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 90%, transparent);
    border-radius: 18px;
    background: color-mix(in srgb, var(--mud-palette-surface) 86%, transparent);
    box-shadow: 0 18px 36px color-mix(in srgb, #000000 18%, transparent);
}

.auth-metric strong {
    display: block;
    margin-bottom: 6px;
    color: var(--mud-palette-primary-lighten);
    font-family: var(--mud-typography-h2-family);
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.auth-metric span {
    color: var(--mud-palette-text-disabled);
    font-family: var(--mud-typography-default-family);
    font-size: 13px;
    line-height: 1.45;
}

.auth-features {
    list-style: none;
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
}

.auth-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--mud-palette-text-secondary);
    font-family: var(--mud-typography-default-family);
    font-size: 14px;
    line-height: 1.45;
}

.auth-features svg path {
    stroke: var(--mud-palette-primary-lighten);
}

.auth-features svg {
    flex: 0 0 auto;
}

.auth-brand-footer {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: auto;
    color: color-mix(in srgb, var(--mud-palette-text-secondary) 45%, transparent);
    font-family: var(--mud-typography-default-family);
    font-size: 12px;
}

.auth-brand-footer a {
    color: inherit;
    text-decoration: none;
}

.auth-brand-footer a:hover {
    color: var(--mud-palette-primary-lighten);
}

.auth-panel {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px clamp(24px, 4vw, 64px);
    background:
        radial-gradient(ellipse at top right, color-mix(in srgb, var(--mud-palette-primary) 10%, transparent) 0%, transparent 48%),
        linear-gradient(180deg, #11120f 0%, var(--mud-palette-background) 100%);
}

.auth-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(color-mix(in srgb, #ffffff 2%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, #ffffff 2%, transparent) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, #000 34%, transparent 82%);
}

.auth-loading {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: var(--mud-palette-text-secondary);
    font-family: var(--mud-typography-default-family);
    font-size: 14px;
}

.auth-spinner {
    width: 30px;
    height: 30px;
    border: 2px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
    border-top-color: var(--mud-palette-primary);
    border-radius: 50%;
    animation: auth-spin 0.8s linear infinite;
}

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

.auth-form-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 540px;
    padding: 40px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
    border-radius: 28px;
    background: color-mix(in srgb, var(--mud-palette-surface) 92%, transparent);
    box-shadow: 0 28px 80px color-mix(in srgb, #000000 45%, transparent);
    backdrop-filter: blur(16px);
}

.auth-form-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: radial-gradient(circle at top right, color-mix(in srgb, var(--mud-palette-primary) 10%, transparent), transparent 36%);
}

.auth-form-header {
    position: relative;
    z-index: 1;
    margin-bottom: 28px;
}

.auth-form-header h2 {
    margin: 18px 0 8px;
    color: var(--mud-palette-text-primary);
    font-family: var(--mud-typography-h2-family);
    font-size: clamp(36px, 4vw, 52px);
    line-height: 0.98;
}

.auth-form-header p {
    margin: 0;
    color: var(--mud-palette-text-secondary);
    font-family: var(--mud-typography-default-family);
    font-size: 16px;
    line-height: 1.55;
}

.auth-error,
.auth-success {
    position: relative;
    z-index: 1;
    margin-bottom: 22px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
    font-family: var(--mud-typography-default-family);
    font-size: 13px;
    line-height: 1.5;
}

.auth-error {
    color: var(--mud-palette-error);
    background: color-mix(in srgb, var(--mud-palette-error) 15%, transparent);
    border-left: 3px solid var(--mud-palette-error);
}

.auth-success {
    color: var(--mud-palette-success);
    background: color-mix(in srgb, var(--mud-palette-success) 15%, transparent);
    border-left: 3px solid var(--mud-palette-success);
}

.field-group {
    position: relative;
    z-index: 1;
    margin-bottom: 18px;
}

.field-label {
    display: block;
    margin-bottom: 8px;
    color: var(--mud-palette-text-secondary);
    font-family: var(--mud-typography-default-family);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.field-section-label {
    display: block;
    margin: 22px 0 14px;
    padding-top: 18px;
    border-top: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
    color: var(--mud-palette-text-disabled);
    font-family: var(--mud-typography-default-family);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.auth-input {
    width: 100%;
    padding: 13px 16px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
    border-radius: 12px;
    background: var(--mud-palette-background);
    color: var(--mud-palette-text-primary);
    font-family: var(--mud-typography-default-family);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    -webkit-appearance: none;
}

.auth-input::placeholder {
    color: var(--mud-palette-text-disabled);
}

.auth-input:focus {
    border-color: var(--mud-palette-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--mud-palette-primary) 12%, transparent);
}

.auth-input.email-valid {
    border-color: var(--mud-palette-success);
}

.auth-input.email-invalid {
    border-color: var(--mud-palette-error);
}

.password-wrap {
    position: relative;
}

.password-wrap .auth-input {
    padding-right: 48px;
}

.pwd-toggle {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border: 0;
    background: transparent;
    color: var(--mud-palette-text-disabled);
    cursor: pointer;
    transition: color 0.15s ease;
}

.pwd-toggle:hover {
    color: var(--mud-palette-primary-lighten);
}

.pwd-toggle .material-icons {
    font-size: 18px !important;
}

.auth-row {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 22px 0 24px;
}

.auth-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--mud-palette-text-secondary);
    font-family: var(--mud-typography-default-family);
    font-size: 13px;
    cursor: pointer;
}

.auth-check input[type="checkbox"] {
    width: 15px;
    height: 15px;
    accent-color: var(--mud-palette-primary);
}

.auth-link {
    color: var(--mud-palette-text-disabled);
    font-family: var(--mud-typography-default-family);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.15s ease;
}

.auth-link:hover {
    color: var(--mud-palette-primary-lighten);
}

.auth-btn {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 20px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--mud-palette-secondary) 0%, var(--mud-palette-tertiary) 50%, var(--mud-palette-primary-lighten) 100%);
    color: #ffffff !important;
    font-family: var(--mud-typography-default-family);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 28px color-mix(in srgb, var(--mud-palette-tertiary) 24%, transparent);
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.auth-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 34px color-mix(in srgb, var(--mud-palette-tertiary) 30%, transparent);
    filter: brightness(1.03);
}

.auth-btn:active {
    transform: translateY(0);
}

.auth-btn.loading {
    pointer-events: none;
    opacity: 0.9;
}

.auth-btn.loading .btn-text {
    display: none;
}

.auth-btn.loading .btn-loading {
    display: inline-flex !important;
}

.btn-loading {
    display: none;
    align-items: center;
    gap: 8px;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid color-mix(in srgb, #042f2e 22%, transparent);
    border-top-color: #042f2e;
    border-radius: 50%;
    animation: auth-spin 0.8s linear infinite;
}

.auth-divider {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 28px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
}

.auth-divider span {
    color: var(--mud-palette-text-disabled);
    font-family: var(--mud-typography-default-family);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.auth-switch {
    position: relative;
    z-index: 1;
    margin-top: 28px;
    color: var(--mud-palette-text-disabled);
    font-family: var(--mud-typography-default-family);
    font-size: 13px;
    text-align: center;
}

.auth-switch a {
    color: var(--mud-palette-primary-lighten);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover {
    text-decoration: underline;
}

.auth-extra-links {
    position: relative;
    z-index: 1;
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.auth-extra-links a {
    color: var(--mud-palette-text-disabled);
    font-family: var(--mud-typography-default-family);
    font-size: 12px;
    text-decoration: none;
}

.auth-extra-links a:hover {
    color: var(--mud-palette-primary-lighten);
}

.auth-badges {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
}

.auth-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--mud-palette-background) 72%, transparent);
    color: var(--mud-palette-text-secondary);
    font-family: var(--mud-typography-default-family);
    font-size: 11px;
}

.auth-badge .material-icons {
    font-size: 14px !important;
    color: var(--mud-palette-primary-lighten);
}

.auth-validation {
    display: block;
    margin-top: 6px;
    color: var(--mud-palette-error);
    font-family: var(--mud-typography-default-family);
    font-size: 12px;
}

.auth-legal {
    position: relative;
    z-index: 1;
    margin-top: 16px;
    color: var(--mud-palette-text-disabled);
    font-family: var(--mud-typography-default-family);
    font-size: 12px;
    line-height: 1.55;
    text-align: center;
}

.auth-legal a {
    color: var(--mud-palette-primary-lighten);
    text-decoration: none;
}

.auth-legal a:hover {
    text-decoration: underline;
}

.strength-wrap {
    display: none;
    margin-top: 12px;
    padding: 14px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
    border-radius: 14px;
    background: color-mix(in srgb, var(--mud-palette-background) 82%, transparent);
}

.strength-wrap.visible {
    display: block;
}

.strength-bar {
    height: 4px;
    margin-bottom: 10px;
    border-radius: 999px;
    overflow: hidden;
    background: color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
}

.strength-fill {
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: var(--mud-palette-primary);
    transition: width 0.25s ease, background 0.25s ease;
}

.strength-fill.strength-very-weak {
    background: var(--mud-palette-error);
}

.strength-fill.strength-weak {
    background: #fb923c;
}

.strength-fill.strength-fair {
    background: #fbbf24;
}

.strength-fill.strength-good {
    background: var(--mud-palette-success);
}

.strength-fill.strength-strong {
    background: var(--mud-palette-primary);
}

.req-list {
    display: grid;
    gap: 6px;
}

.req-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--mud-palette-text-secondary);
    font-family: var(--mud-typography-default-family);
    font-size: 12px;
}

.req-item.met {
    color: #bbf7d0;
}

.req-icon {
    width: 14px;
    font-size: 13px;
}

.external-login-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: row;
    gap: 12px;
}

.external-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1;
    padding: 12px 16px;
    border: 1px solid color-mix(in srgb, var(--mud-palette-lines-default) 95%, transparent);
    border-radius: 14px;
    background: color-mix(in srgb, var(--mud-palette-background) 88%, transparent);
    color: var(--mud-palette-text-primary);
    font-family: var(--mud-typography-default-family);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.external-login-btn:hover {
    border-color: color-mix(in srgb, var(--mud-palette-primary-lighten) 55%, transparent);
    background: color-mix(in srgb, #0A2A27 88%, transparent);
    transform: translateY(-1px);
}

.google-btn:hover {
    border-color: color-mix(in srgb, #ea3043 65%, transparent);
    background: color-mix(in srgb, var(--mud-palette-error) 92%, transparent);
}

.linkedin-btn:hover {
    border-color: color-mix(in srgb, #0077b5 65%, transparent);
    background: color-mix(in srgb, #051928 92%, transparent);
}

.no-external-providers {
    text-align: center;
    color: var(--mud-palette-text-disabled);
    font-family: var(--mud-typography-default-family);
    font-size: 13px;
}

@media (max-width: 1080px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .auth-brand {
        display: none;
    }

    .auth-panel {
        min-height: 100vh;
        padding: 32px 20px;
    }

    .auth-form-wrap {
        padding: 32px 24px;
    }
}

@media (max-width: 640px) {
    .auth-form-wrap {
        padding: 28px 20px;
        border-radius: 22px;
    }

    .auth-form-header h2 {
        font-size: 34px;
    }

    .auth-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .auth-brand-metrics {
        grid-template-columns: 1fr;
    }
}

/* === REVERSE THEME FOR REGISTER === */
.auth-form-wrap.theme-reverse {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(220, 220, 220, 0.8);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.08);
}
.auth-form-wrap.theme-reverse::before {
    background: radial-gradient(circle at top right, rgba(45, 212, 191, 0.05), transparent 36%);
}
.auth-form-wrap.theme-reverse .auth-form-header h2 { color: #111827; }
.auth-form-wrap.theme-reverse .auth-form-header p,
.auth-form-wrap.theme-reverse .field-label,
.auth-form-wrap.theme-reverse .auth-check { color: #4b5563; }
.auth-form-wrap.theme-reverse .field-section-label { color: #6b7280; border-top-color: #e5e7eb; }
.auth-form-wrap.theme-reverse .auth-input { background: #ffffff; border-color: #d1d5db; color: #111827; }
.auth-form-wrap.theme-reverse .auth-input::placeholder { color: #9ca3af; }
.auth-form-wrap.theme-reverse .auth-input:focus { box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.15); border-color: #2dd4bf; }
.auth-form-wrap.theme-reverse .auth-divider::before,
.auth-form-wrap.theme-reverse .auth-divider::after,
.auth-form-wrap.theme-reverse .auth-badges { border-color: #e5e7eb; }
.auth-form-wrap.theme-reverse .auth-badge { background: #f3f4f6; border-color: #d1d5db; color: #374151; }
.auth-form-wrap.theme-reverse .auth-switch,
.auth-form-wrap.theme-reverse .auth-legal,
.auth-form-wrap.theme-reverse .auth-divider span { color: #6b7280; }
.auth-form-wrap.theme-reverse .pwd-toggle { color: #6b7280; }
.auth-form-wrap.theme-reverse .external-login-btn { background: #ffffff; border-color: #d1d5db; color: #374151; }
.auth-form-wrap.theme-reverse .external-login-btn:hover { background: #f9fafb; border-color: #9ca3af; }
.auth-form-wrap.theme-reverse .strength-wrap { background: #f9fafb; border-color: #e5e7eb; }
.auth-form-wrap.theme-reverse .strength-bar { background: #e5e7eb; }
.auth-form-wrap.theme-reverse .req-item { color: #4b5563; }
.auth-form-wrap.theme-reverse .req-item.met { color: #059669; }
.auth-form-wrap.theme-reverse .auth-switch a,
.auth-form-wrap.theme-reverse .auth-legal a,
.auth-form-wrap.theme-reverse .auth-link { color: #0d9488; }
.auth-form-wrap.theme-reverse .auth-btn { background: linear-gradient(135deg, #0f766e 0%, #0d9488 50%, #14b8a6 100%); color: #ffffff; box-shadow: 0 10px 28px rgba(13, 148, 136, 0.2); }
.auth-form-wrap.theme-reverse .auth-btn:hover { box-shadow: 0 14px 34px rgba(13, 148, 136, 0.3); }
.auth-form-wrap.theme-reverse .auth-error { background: #fef2f2; border-color: #f87171; color: #991b1b; }
.auth-form-wrap.theme-reverse .auth-success { background: #f0fdf4; border-color: #4ade80; color: #166534; }
.auth-form-wrap.theme-reverse .auth-extra-links a { color: #6b7280; }
.auth-form-wrap.theme-reverse .auth-extra-links a:hover { color: #0d9488; }