::selection {
            background: var(--surface-active);
            color: var(--text);
        }

        body.auth-body {
            background-color: var(--bg);
            background-image:
                radial-gradient(ellipse 80% 50% at 50% -10%, var(--ambient-grad-1) 0%, transparent 60%),
                radial-gradient(circle 400px at 90% 85%, var(--ambient-grad-2) 0%, transparent 70%);
            font-family: var(--font-sans);
            min-height: 100dvh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 24px 16px;
            margin: 0;
            position: relative;
            overflow-x: hidden;
            color: var(--text);
        }

        .login-card {
            width: 100%;
            max-width: 420px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 36px 28px 28px;
            box-shadow: var(--shadow-card);
            animation: loginCardAppear 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            position: relative;
            box-sizing: border-box;
        }

        @keyframes loginCardAppear {
            from {
                opacity: 0;
                transform: translateY(16px) scale(0.98);
            }

            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        /* Brand Emblem */
        .brand-header {
            text-align: center;
            margin-bottom: 26px;
        }

        .brand-emblem-wrap {
            display: inline-block;
            position: relative;
            margin-bottom: 14px;
            transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .brand-emblem-wrap:hover {
            transform: translateY(-2px) scale(1.04);
        }

        .brand-emblem-img {
            position: relative;
            z-index: 1;
            width: 58px;
            height: 58px;
            display: block;
            border-radius: var(--radius-lg);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
        }

        .brand-title {
            font-size: var(--text-3xl);
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--text);
            margin: 0 0 4px 0;
            line-height: 1.2;
        }

        .brand-subtitle {
            font-size: var(--text-base);
            color: var(--text-muted);
            font-weight: 500;
            margin: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .brand-subtitle-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
        }

        /* Form Fields & Micro-Interactions */
        .login-field-group {
            margin-bottom: 18px;
            text-align: left;
        }

        .login-label {
            display: block;
            font-size: var(--text-sm);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 7px;
            letter-spacing: 0.01em;
        }

        .login-input-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .login-input-icon {
            position: absolute;
            left: 14px;
            color: var(--text-subtle);
            pointer-events: none;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color 0.2s ease;
        }

        .login-input {
            width: 100%;
            background: var(--bg-dark);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 13px 14px 13px 42px;
            color: var(--text);
            font-size: var(--text-md);
            font-family: inherit;
            caret-color: var(--primary);
            box-sizing: border-box;
            transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease;
            outline: none;
        }

        .login-input::placeholder {
            color: var(--text-subtle);
            font-weight: 400;
        }

        .login-input:focus {
            border-color: var(--primary-light);
            background: var(--surface-card);
            box-shadow: 0 0 0 2px var(--primary-glow);
        }

        .login-input-wrap:focus-within .login-input-icon {
            color: var(--primary);
        }

        /* Password Visibility Toggle */
        .password-toggle-btn {
            position: absolute;
            right: 8px;
            background: transparent;
            border: none;
            color: var(--text-subtle);
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color 0.15s ease, background-color 0.15s ease;
            outline: none;
        }

        .password-toggle-btn:hover {
            color: var(--primary);
            background: var(--surface-hover);
        }

        .password-toggle-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 1px;
        }

        /* Caps Lock Warning Banner */
        .caps-lock-warning {
            display: none;
            align-items: center;
            gap: 6px;
            font-size: var(--text-sm);
            color: var(--primary-light);
            margin-top: 6px;
            font-weight: 600;
            padding-left: 2px;
        }

        /* Submit Button */
        .btn-submit-delight {
            width: 100%;
            padding: 13px 20px;
            background: var(--primary);
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-md);
            color: var(--primary-contrast);
            font-size: var(--text-md);
            font-weight: 800;
            font-family: inherit;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
            transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.18s ease;
            margin-top: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            position: relative;
            overflow: hidden;
            box-sizing: border-box;
        }

        .btn-submit-delight:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
        }

        .btn-submit-delight:active {
            transform: scale(0.98);
        }

        .btn-submit-delight:disabled {
            opacity: 0.85;
            cursor: wait;
            transform: none;
        }

        .submit-spinner {
            display: none;
            width: 16px;
            height: 16px;
            border: 2px solid rgba(24, 21, 19, 0.3);
            border-top-color: var(--primary-contrast);
            border-radius: 50%;
            animation: spin 0.7s linear infinite;
        }

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

        /* Quick Demo Access (Exclusivo Dev Mode - Variante 3 Hub Segmentado) */
        .quick-access-box {
            margin-top: 22px;
            padding-top: 18px;
            border-top: 1px solid var(--border);
            text-align: left;
        }

        .quick-access-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }

        .quick-access-title {
            font-size: var(--text-xs);
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .quick-access-pill-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 6px;
            margin-bottom: 10px;
        }

        .quick-access-pill-btn {
            padding: 9px 6px;
            background: var(--surface-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-family: inherit;
            transition: all 0.16s ease;
            text-align: center;
            outline: none;
            box-sizing: border-box;
        }

        .quick-access-pill-btn:hover {
            border-color: var(--primary);
            background: var(--surface-hover);
            transform: translateY(-1px);
        }

        .quick-access-pill-btn:focus-visible {
            border-color: var(--primary);
            box-shadow: 0 0 0 2px var(--primary-glow);
        }

        .quick-access-pill-label {
            font-size: var(--text-xs);
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 100%;
        }

        .quick-access-pill-tag {
            font-size: var(--text-xs);
            color: var(--text-muted);
            font-weight: 600;
        }

        .quick-access-callout {
            padding: 8px 12px;
            background: var(--primary-glow);
            border: 1px dashed var(--border-hover);
            border-radius: var(--radius-sm);
            font-size: var(--text-sm);
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Autofill highlight animation */
        @keyframes fieldAutofillPulse {
            0% {
                border-color: var(--success);
                box-shadow: 0 0 0 2px var(--success-glow);
            }

            100% {
                border-color: var(--border);
                box-shadow: none;
            }
        }

        .field-autofill-active {
            animation: fieldAutofillPulse 0.6s ease-out;
        }

        /* Footer */
        .auth-footer {
            margin-top: 28px;
            text-align: center;
            font-size: var(--text-sm);
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }

        .auth-footer a {
            color: var(--text);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.15s ease;
        }

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

        .auth-footer-tagline {
            font-size: var(--text-sm);
            color: var(--text-subtle);
        }